Send us a Message
Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   
Search RGD Grant Resources Citing RGD About Us Contact Us
Genes Variants Community Projects QTLs Strains Markers Genome Information Ontologies Cell Lines References Download Submit Data
OntoMate (Literature Search) JBrowse (Genome Browser) Synteny Browser (VCMap) Variant Visualizer Multi-Ontology Enrichment (MOET) Gene-Ortholog Location Finder (GOLF) InterViewer (Protein-Protein Interactions) PhenoMiner (Quatitative Phenotypes) Gene Annotator OLGA (Gene List Generator) AllianceMine GViewer (Genome Viewer)
Aging & Age-Related Disease Cancer & Neoplastic Disease Cardiovascular Disease Coronavirus Disease Developmental Disease Diabetes Hematologic Disease Immune & Inflammatory Disease Infectious Disease Liver Disease Neurological Disease Obesity & Metabolic Syndrome Renal Disease Respiratory Disease Sensory Organ Disease
Find Models   new Genetic Models Autism Models Rat PhenoMiner (Quantitative Phenotypes) Chinchilla PhenoMiner Expected Ranges (Quantitative Phenotype) PhenoMiner Term Comparison Hybrid Rat Diversity Panel Phenotypes Phenotypes in Other Animal Models Animal Husbandry Strain Medical Records Phylogenetics Strain Availability Calendar Rats 101 Submissions Photo Archive
Pathways
Rat Community Forum Directory of Rat Laboratories Video Tutorials News RGD Publications RGD Presentations Archive Nomenclature Guidelines Resource Links Laboratory Resources Employment Resources

Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
(+)-alpha-pinene 
(-)-trans-carveol 
(-)-ureidoglycolic acid 
(1->3)-beta-D-glucan +   
(1->4)-beta-D-mannan 
(1->6)-beta-D-glucan 
(1-naphthyl)methanol 
(10Z)-tricosene 
(11Z)-icos-11-enoic acid +  
(11Z,14Z,17Z)-icosatrienoate 
(12S)-hydroperoxy-(14R,15S)-epoxy-(5Z,8Z,10E)-icosatrienoic acid 
(12S)-hydroperoxy-(14S,15R)-epoxy-(5Z,8Z,10E)-icosatrienoic acid 
(13E)-octadecenoic acid 
(13R)-S-cysteinyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid 
(13R)-S-cysteinylglycinyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid 
(13R)-S-glutathionyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid 
(13S)-hydroxy-(14S,15S)-epoxy-(5Z,8Z,11Z)-icosatrienoic acid 
(14Z)-hexadecenoic acid 
(15Z)-tetracosenoate +  
(17Z)-hexacosenoic acid +  
(1R,2S)-naphthalene 1,2-oxide 
(1R,2S,5S,6S)-2-(3-carboxypropanoyl)-5-[(1-carboxyvinyl)oxy]-6-hydroxycyclohex-3-ene-1-carboxylic acid 
(1S)-1,23,25-trihydroxy-24-oxocalciol 
(1S)-1,25-dihydroxy-24-oxocalciol 
(1S,2R)-naphthalene 1,2-oxide 
(1s,4s)-prephenate(2-) 
(2,3-diphenylcyclopropyl)methyl phenyl sulfoxide 
(2-amino-4-hydroxy-7,8-dihydropteridin-6-yl)methyl diphosphate(3-) 
(2-aminoethyl)phosphonic acid +  
(2-hydroxyphenyl)acetate 
(2-hydroxyphenyl)acetic acid  
(2-naphthyl)methanol +  
(2-sulfonatophenyl)azo group 
(2-trans,6-cis)-dodeca-2,6-dienoyl-CoA 
(20R)-17alpha,20-dihydroxycholesterol 
(20R,22R)-20,22-dihydroxycholesterol 
(20S)-17,20-dihydroxypregn-4-en-3-one 
(20S)-20-hydroxypregn-4-en-3-one  
(20S)-hydroxyvitamin D3 
(20S,23)-dihydroxyvitamin D3 
(20S,23,24)-trihydroxyvitamin D3 
(20S,23,25)-trihydroxyvitamin D3 
(20S,24R)-dihydroxyvitamin D3 
(20S,24S)-dihydroxyvitamin D3 
(23S)-23,25,26-trihydroxycalciol +  
(24E)-3alpha,7alpha-dihydroxy-5beta-cholest-24-en-26-oyl-CoA 
(24R)-24,25-dihydroxycalciol 
(24R)-24-hydroxycholesterol 
(24R,25R)-3alpha,7alpha,24-trihydroxy-5beta-cholestan-26-oyl-CoA 
(24S)-24-hydroxycholesterol +   
(24S)-7alpha,24-dihydroxycholesterol 
(24S,25)-dihydroxycholesterol 
(24S,26)-dihydroxycholesterol 
(24Z),26-hydroxydesmosterol 
(25R)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl-CoA(4-) 
(25R)-7alpha,26-dihydroxycholest-4-en-3-one 
(25R)-cholest-5-ene-3beta,26-diol +   
(25S)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestanoyl-CoA 
(2E)-2-ethylidene-4-hydroxy-5-methyl-3(2H)-furanone 
(2E)-2-hexenyl isovalerate 
(2E)-3-(methoxycarbonyl)pent-2-enedioate(2-) 
(2E)-3-(methoxycarbonyl)pent-2-enedioic acid 
(2E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate 
(2E,4E)-3,8,8,8-tetrachloro-7-(4-chlorophenyl)-2-hydroxy-6-oxo-octa-2,4-dienoate 
(2E,5Z,7E)-decatrienoylcarnitine 
(2R)-2-\{(1R)-1-hydroxy-15-[2-(20-methoxy-21-methylnonatriacontyl)cyclopropyl]pentadecyl\}hexacosanoic acid +  
(2R,3R)-2,3-dihydroxy-3-methylpentanoate 
(2R,3S)-2-methyl-3-propyloxirane 
(2R,3S)-3-isopropylmalate(2-) 
(2S)-2-(4-\{[(1R,2S)-2-hydroxycyclopentyl]methyl\}phenyl)propanoic acid 
(2S)-2-amino-N'-[(4-methyl-2,6-dioxo-5-pyrimidinylidene)methyl]propanehydrazide 
(2S)-2-hydroxy-2-methyl-3-oxobutanoic acid 
(2S)-2-isopropyl-3-oxosuccinate(2-) 
(2S)-N-[(1S,3S,4S)-1-benzyl-4-\{[(2,6-dimethylphenoxy)acetyl]amino\}-3-hydroxy-5-phenylpentyl]-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamide 
(2S,3R)-3-hydroxybutane-1,2,3-tricarboxylate 
(2S,3R)-3-hydroxybutane-1,2,3-tricarboxylic acid 
(2S,3S)-3-hydroxy-2-methylbutanoyl-CoA 
(2S,3S)-3-hydroxy-2-methylbutanoyl-CoA(4-) 
(2S,6S)-2,6-diaminopimelic acid dizwitterion 
(2Z,4E)-2-aminomuconate(2-) 
(2Z,4E)-2-ammoniomuconate(1-) 
(3,4-dihydroxyphenyl)acetate 
(3,4-dihydroxyphenyl)acetic acid +   
(3-sulfonatophenyl)azo group 
(3E)-2,3,4-trimethylhex-3-enal 
(3E)-2,6-dimethyloct-3-ene 
(3R)-3-isopropenyl-6-oxoheptanoyl-CoA 
(3R,5S)-1-pyrroline-3-hydroxy-5-carboxylic acid 
(3S)-3-hydroxy-3-methylglutaryl-CoA 
(3S)-3-isopropenyl-6-oxoheptanoyl-CoA 
(3S)-citramalyl-CoA(5-) 
(3S,4R)-3,4-dihydrophenanthrene-3,4-diol 
(3Z,6Z)-dodecadienoyl-CoA 
(4-hydroxy-3-methoxyphenyl)acetaldehyde 
(4-hydroxyphenyl)acetaldehyde 
(4-sulfonatophenyl)azo group 
(4E)-7-methyldec-4-ene 
(4E,7E,10E,13E,16E)-docosapentaenoylcarnitine 
(4E,7E,10E,13E,16E,19E)-docosahexaenoylcarnitine 
(4R)-limonene 1-hydroperoxide 
(4R)-limonene 2-hydroperoxide 
(4R)-N-(2,3-dihydroxytetracosanoyl)-4-hydroxysphinganine +  
(4S)-4-\{[(5-amino-6-oxo-2-thiophen-2-ylpyrimidin-1(6H)-yl)acetyl]amino\}-2,2-difluoro-5-methyl-N-(2-morpholin-4-ylethyl)-3-oxohexanamide 
(4S)-4-hydroxy-3,4-dihydropyrimidin-2(1H)-one 
(4S)-5-fluoro-4-hydroxy-3,4-dihydropyrimidin-2(1H)-one 
(4Z,7Z,10Z,12E,14S,16Z,19Z,21R)-dihydroxydocosahexaenoic acid 
(4Z,7Z,10Z,13Z,15E,17S,19Z)-17-hydroperoxydocosahexaenoic acid 
(4Z,7Z,10Z,13Z,16Z)-docosa-4,7,10,13,16-pentaenoic acid +   
(4Z,7Z,10Z,13Z,16Z)-docosapentaenoyl-CoA 
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate +  
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA 
(4Z,7Z,10Z,14E,16Z,19Z)-13-hydroxydocosahexaenoate 
(4Z,7Z,10Z,14E,16Z,19Z)-13-hydroxydocosahexaenoic acid 
(5-hydroxyindol-3-yl)acetaldehyde  
(5-hydroxyindol-3-yl)acetate 
(5-hydroxyindol-3-yl)acetic acid +   
(5-oxo-2-sulfo-2,5-dihydrofuran-2-yl)acetic acid 
(5alpha)-androst-3-en-17-one 
(5R)-5-isopropenyl-1,2-dimethylcyclohexane 1-hydroperoxide 
(5R)-5-isopropenyl-2-methylcyclohexane 1-hydroperoxide 
(5R)-5-isopropyl-2-methyl-2-cyclohexen-1-one 
(5S)-5,6-dihydro-5-iodopyrimidine-2,4(1H,3H)-dione 
(5S)-hydroperoxy-(14R,15S)-epoxy-(6E,8Z,11Z)-icosatrienoic acid 
(5S,6R)-5-fluoro-5,6-dihydro-6-hydroxypyrimidine-2,4(1H,3H)-dione 
(5S,6S)-dihydroxy-(7E,9E,11Z,14Z)-icosatetraenoic acid 
(5Z)-tetradecenoylcarnitine 
(5Z,11Z,14Z)-8,9-dihydroxyicosatrienoic acid +  
(5Z,8Z)-octadecadienoic acid 
(5Z,8Z,10E,14Z)-12-hydroxyicosatetraenoic acid +  
(5Z,8Z,11Z)-14,15-dihydroxyicosatrienoic acid +  
(5Z,8Z,11Z,13E)-15-HETE +   
(5Z,8Z,14Z)-11,12-dihydroxyicosatrienoic acid +  
(5Z,9E,12S,14Z)-8,11,12,20-tetrahydroxyicosa-5,9,14-trienoic acid 
(5Z,9E,12S,14Z)-8,11,12-trihydroxyicosa-5,9,14-trienoate 
(5Z,9E,14Z)-(8xi,11R,12S)-11,12-epoxy-8-hydroxyicosa-5,9,14-trienoate 
(6E,8Z)-5-oxooctadecadienoic acid 
(6R)-5,10-methenyltetrahydrofolate +  
(6R)-5,10-methenyltetrahydrofolic acid 
(6R)-5,10-methylenetetrahydrofolate(2-) +  
(6R)-5,10-methylenetetrahydrofolic acid +  
(6S)-5,6,7,8-tetrahydrofolate(2-) 
(6S)-5-formyltetrahydrofolate(2-) 
(6S)-5-methyltetrahydrofolate(2-) +  
(6Z,9Z,12Z,15Z)-octadecatetraenoyl-CoA 
(6Z,9Z,12Z,15Z,18Z)-tetracosapentaenoyl-CoA 
(6Z,9Z,12Z,15Z,18Z,21Z)-3-hydroxytetracosahexaenoyl-CoA 
(6Z,9Z,12Z,15Z,18Z,21Z)-3-oxotetracosahexaenoyl-CoA 
(6Z,9Z,12Z,15Z,18Z,21Z)-tetracosahexaenoyl-CoA 
(7Z,10Z,13R,14E,16Z,19Z)-13-hydroxydocosapentaenoate 
(7Z,10Z,13R,14E,16Z,19Z)-13-hydroxydocosapentaenoic acid 
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoate +  
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoic acid +  
(8R,9S)-EET 
(8S)-hydroperoxy-(14S,15R)-epoxy-(5Z,9E,11Z)-icosatrienoic acid 
(8Z,11Z)-urushiol III 
(9E)-10-nitrooctadecenoic acid 
(9E)-9-nitrooctadecenoic acid 
(9E,11E)-octadecadienoic acid +   
(alpha-D-mannosyl)2-beta-D-mannosyl-diacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)3-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)4-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)5-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)6-beta-D-mannosyl-diacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)7-beta-D-mannosyl-diacetylchitobiosyldiphosphodolichol 
(E)-2-dodecene +  
(E)-2-octene 
(E)-3-dodecene 
(E)-3-octene 
(E)-4-oxonon-2-en-1-ol 
(E)-4-oxonon-2-enal 
(E)-dec-3-en-2-ol 
(E)-hexadec-2-enoyl-CoA 
(E)-hexadec-2-enoyl-CoA(4-) 
(KDO)-lipid IVA 
(KDO)2-(lauroyl)-lipid IVA 
(Kdo)2-lipid A (E. coli) +  
(KDO)2-lipid IVA 
(N(omega)-L-arginino)succinate(1-) 
(N(omega)-L-arginino)succinic acid  
(R)-(-)-allantoin 
(R)-1,2-distearoylphosphatidylethanolamine 
(R)-2,3-dihydroxy-3-methylbutanoate 
(R)-2-hydroxy-4-methylpentanoate 
(R)-3-hydroxy-2-oxo-4-phosphonooxybutanoic acid 
(R)-3-hydroxybutanoyl-CoA 
(R)-3-hydroxybutanoyl-CoA(4-) 
(R)-3-hydroxybutyrate +  
(R)-3-hydroxybutyric acid +  
(R)-3-hydroxylauric acid +  
(R)-4'-phosphonatopantothenate(3-) 
(R)-4'-phosphopantothenic acid 
(R)-5,6-Dihydrothymine 
(R)-5-diphosphomevalonic acid 
(R)-5-diphosphonatomevalonate(4-) 
(R)-5-phosphomevalonic acid 
(R)-5-phosphonatomevalonate(3-) 
(R)-7-\{[4-(6-oxo-1,6-dihydropyrimidin-4-yl)piperidin-1-yl]carbonyl\}-1,3-diazepane-2,4-dione 
(R)-acetoin  
(R)-adrenaline +   
(R)-adrenaline(1+) 
(R)-carnitine +   
(R)-icosanoylcarnitine 
(R)-lactaldehyde 
(R)-lactate +  
(R)-lactic acid +   
(R)-methylmalonyl-CoA 
(R)-methylmalonyl-CoA(5-) 
(R)-mevalonate +  
(R)-noradrenaline +   
(R)-noradrenaline(1+) 
(R)-oleoylcarnitine 
(R)-oleoylcarnitine hydrochloride 
(R)-pantoate 
(R)-pantolactone 
(R)-pantothenate 
(R)-phenylacetylcarbinol +  
(R)-propane-1,2-diol 
(R)-S-lactoylglutathionate(1-) 
(R)-S-lactoylglutathione 
(R,R)-butane-2,3-diol 
(S)-(+)-allantoin +  
(S)-1-phenylethanol 
(S)-2,3-epoxysqualene 
(S)-2-acetyl-2-hydroxybutanoate 
(S)-2-hydroxy-3-methylbutyrate 
(S)-2-hydroxy-3-methylbutyric acid 
(S)-2-methylbutanoyl-CoA 
(S)-3'-hydroxy-N-methylcoclaurine 
(S)-3-aminoisobutyric acid 
(S)-3-hydroxybutanoyl-CoA 
(S)-3-hydroxybutanoyl-CoA(4-) 
(S)-3-hydroxydecanoyl-CoA 
(S)-3-hydroxyhexacosanoyl-CoA 
(S)-3-hydroxyhexanoyl-CoA 
(S)-3-hydroxyisobutyryl-CoA 
(S)-3-hydroxylauroyl-CoA 
(S)-3-hydroxyoctanoyl-CoA 
(S)-3-hydroxypalmitoyl-CoA 
(S)-3-hydroxytetradecanoyl-CoA 
(S)-3-methyl-2-oxovalerate 
(S)-3-sulfonatolactate(2-) 
(S)-4,5-dihydroxypentane-2,3-dione 
(S)-4-amino-5-oxopentanoic acid 
(S)-carnitinium 
(S)-dihydroorotate 
(S)-dihydroorotic acid 
(S)-lactaldehyde 
(S)-lactate +   
(S)-lactic acid +   
(S)-malate(2-) +  
(S)-methylmalonaldehydic acid 
(S)-methylmalonyl-CoA 
(S)-methylmalonyl-CoA(5-) 
(S)-N-methylcoclaurine 
(S)-propane-1,2-diol +  
(Z)-2-octene 
(Z)-2-penten-1-ol 
(Z)-3-dodecene 
(Z)-3-octene 
(Z)-but-2-ene-1,2,3-tricarboxylate 
(Z)-but-2-ene-1,2,3-tricarboxylic acid 
(Z)-icos-13-enoic acid 
1,1,3,3-tetramethylurea 
1,1-dichloro-2-(4-chloro-2,3-dihydroxyphenyl)-2-(4-chlorophenyl)ethylene 
1,1-dichloroethene  
1,12-dodecanediol 
1,2,3,4-tetrachlorobutane 
1,2,3-trilinoleoylglycerol  
1,2,4-butanetriol 
1,2-bis(4-hydroxyphenyl)propan-2-ol 
1,2-bis(diphenylphosphino)ethane 
1,2-bis(octadec-9-enoyl)phosphatidic acid +   
1,2-bis-[(9Z,11Z)-octadecadienoyl]-sn-glycero-3-phosphoethanolamine 
1,2-di-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphoethanolamine 
1,2-di-(6Z,9Z-octadecadienoyl)-sn-glycero-3-phosphoethanolamine 
1,2-di-(7Z,10Z,13Z,16Z-docosatetraenoyl)-sn-glycerol 
1,2-di-(9E-hexadecenoyl)-sn-glycero-3-phosphocholine 
1,2-di-(9E-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) 
1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphoethanolamine 
1,2-di-[(6Z)-octadecenoyl]-sn-glycero-3-phosphocholine 
1,2-di-[(6Z)-octadecenoyl]-sn-glycero-3-phosphoethanolamine 
1,2-di-[(9E)-octadecenoyl]-sn-glycero-3-phosphoethanolamine 
1,2-di-[(9Z)-octadecenoyl]-sn-glycero-3-phosphoethanolamine 
1,2-di-O-myristoyl-sn-glycero-3-phosphocholine +  
1,2-di-octadecadienoyl-sn-glycero-3-phosphocholine +  
1,2-di-octadecenoyl-sn-glycero-3-phosphocholine +  
1,2-di-palmitoleoyl-2-sn-glycerol 
1,2-diacyl-3-beta-D-galactosyl-sn-glycerol +  
1,2-diacyl-sn-glycero-3-phosphocholine(1+) +   
1,2-dibromoethane  
1,2-dihexadecanoyl-sn-glycero-3-phosphocholine  
1,2-dihexadecanoyl-sn-glycero-3-phosphoethanolamine 
1,2-dihexadecanoyl-sn-glycero-3-phosphoserine 
1,2-dihydronaphthalene-1,2-diol +   
1,2-dihydroxy-3,4-epoxy-1,2,3,4-tetrahydronaphthalene 
1,2-dihydroxyfluorene 
1,2-dilinoleoyl-sn-glycerol 
1,2-dimyristoleoyl-sn-glycerol 
1,2-dioctadecadienoyl-sn-glycero-3-phospho-(1'-sn-glycerol) 
1,2-dioleoyl-3-linoleoyl-sn-glycerol 
1,2-dioleoyl-sn-glycero-3-phospho-L-serine 
1,2-dioleoyl-sn-glycero-3-phospho-N,N-dimethylethanolamine 
1,2-dioleoyl-sn-glycero-3-phospho-N,N-dimethylethanolamine zwitterion 
1,2-dioleoyl-sn-glycero-3-phospho-N-methylethanolamine 
1,2-dioleoyl-sn-glycero-3-phospho-N-methylethanolamine zwitterion 
1,2-dioleoyl-sn-glycerol 
1,2-dipalmitoleoyl-sn-glycero-3-phosphocholine 
1,2-dipalmitoyl-sn-glycerol 
1,2-distearoyl-sn-glycero-3-phosphoserine 
1,2-distearoylphosphatidylethanolamine zwitterion +  
1,2-ditetradecanoyl-3-(6-sulfoquinovopyranosyl)glycerol 
1,2-palmitoyl-sn-glycero-3-phospho-(1'-sn-glycerol) 
1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-amino-5-methyl-6-\{2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl\}-1,3-diazinane-2,4-dione 
1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-6-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,3-diazabicyclo[2.2.0]hex-4-en-2-one 
1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-5-amino-5-methyl-6-\{2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl\}-1,3-diazinane-2,4-dione 
1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-6-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,3-diazabicyclo[2.2.0]hex-4-en-2-one 
1,3,7-trimethyluric acid  
1,3-dimethyl-6-[2-(thiophen-2-ylmethylidene)hydrazinyl]pyrimidine-2,4-dione 
1,3-dimethyluracil 
1,3-diphenylguanidine +   
1,4-benzoquinone +   
1,4-butanediammonium +  
1,4-dihydroxy-2-naphthoate 
1,4-dihydroxy-2-naphthoic acid +   
1,4-dihydroxy-2-naphthoyl-CoA 
1,4-dimethylcyclohexane +  
1,4-dithiothreitol +   
1,4-phenylenediamine +   
1,5-anhydro-D-glucitol 
1,7-dimethyluric acid  
1,7-dimethylxanthine  
1-(1Z,11Z-octadecadienyl)-2-linoleoyl-sn-glycero-3-phosphoethanolamine 
1-(1Z,9Z-octadecadienyl)-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphoethanolamine 
1-(1Z-hexadecenyl)-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphoethanolamine 
1-(1Z-hexadecenyl)-2-(8Z,11Z,14Z-icosatrienoyl)-sn-glycero-3-phosphoethanolamine 
1-(1Z-hexadecenyl)-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine 
1-(1Z-hexadecenyl)-2-(9Z-hexadecenoyl)-sn-glycero-3-phosphocholine 
1-(1Z-hexadecenyl)-2-arachidonoyl-sn-glycero-3-phosphoethanolamine 
1-(1Z-hexadecenyl)-2-linoleoyl-sn-glycero-3-phosphoethanolamine 
1-(1Z-hexadecenyl)-2-oleoyl-sn-glycero-3-phosphoethanolamine 
1-(1Z-octadecenyl)-2-(4Z,7Z,10Z,13Z,16Z-docosapentaenoyl)-sn-glycero-3-phosphoethanolamine 
1-(1Z-octadecenyl)-2-(8Z,11Z,14Z-icosatrienoyl)-sn-glycero-3-phosphoethanolamine 
1-(1Z-octadecenyl)-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine 
1-(1Z-octadecenyl)-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine 
1-(1Z-octadecenyl)-2-arachidonoyl-sn-glycero-3-phosphoethanolamine 
1-(1Z-octadecenyl)-2-hexadecanoyl-sn-glycero-3-phosphocholine 
1-(1Z-octadecenyl)-2-hexadecanoyl-sn-glycero-3-phosphoethanolamine 
1-(1Z-octadecenyl)-2-linoleoyl-sn-glycero-3-phosphoethanolamine 
1-(1Z-octadecenyl)-2-linoleoyl-sn-glycero-3-phosphoethanolamine zwitterion 
1-(2,3-dihydro-1H-pyrrolizin-5-yl)-2-propen-1-one 
1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-enone 
1-(2-carboxylatophenylamino)-1-deoxy-D-ribulose 5-phosphate(3-) 
1-(2-carboxyphenylamino)-1-deoxy-D-ribulose 5-phosphate 
1-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine 
1-(5-phospho-beta-D-ribosyl)-5'-AMP 
1-(5-phospho-beta-D-ribosyl)-5-[(5-phospho-beta-D-ribosylamino)methylideneamino]imidazole-4-carboxamide 
1-(5-phospho-beta-D-ribosyl)-5-[(5-phospho-beta-D-ribosylamino)methylideneamino]imidazole-4-carboxamide(4-) 
1-(5-phospho-D-ribosyl)-ATP(6-) +  
1-(5-phosphonato-beta-D-ribosyl)-5'-AMP(4-) 
1-(alk-1-enyl)-2-acyl-sn-glycero-3-phosphate(2-) +  
1-(alk-1-enyl)-sn-glycero-3-phosphoethanolamine +  
1-(beta-D-galactosyl)-N-behenoylsphingosine 
1-(ethoxymethyl)-5-isopropyl-6-(phenylsulfanyl)uracil 
1-(sn-glycero-3-O-phosphonato)-1D-myo-inositol 
1-(sn-glycero-3-phospho)-1D-myo-inositol 
1-[(10Z,13Z,16Z)-docosatrienoyl]-2-[(9Z,12Z)-hexadecadienoyl]-sn-glycero-3-phospho-1D-myo-inositol 
1-[(10Z,13Z,16Z)-docosatrienoyl]-2-hexadecanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(10Z,13Z,16Z)-docosatrienoyl]-2-linoleoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(11Z)-octadecenoyl]-2-[(4Z,7Z,10Z,13Z,16Z,19Z)]-docosahexaenoyl-sn-glycero-3-phosphocholine 
1-[(11Z,14Z)-icosadienoyl]-2-[(4Z,7Z,10Z,13Z,16Z)-docosapentaenoyl]-sn-glycero-3-phosphoethanolamine 
1-[(13Z,16Z)-docosadienoyl]-2-hexadecanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(13Z,16Z)-docosadienoyl]-2-linoleoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(1S,2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hexan-2-yl]thymine 
1-[(1S,3S,4R,5S)-3-hydroxy-4-(hydroxymethyl)bicyclo[3.1.0]hexan-1-yl]thymine 
1-[(1Z)-octadecenyl]-2-[(5Z,8Z,11Z,14Z)-icosatetraenoyl]-sn-glycero-3-phosphocholine 
1-[(1Z,11Z)-octadecadienyl]-2-oleoyl-sn-glycero-3-phosphoethanolamine 
1-[(1Z,11Z)-octadecadienyl]-2-palmitoyl-sn-glycero-3-phosphoethanolamine 
1-[(1Z,9Z)-octadecadienyl]-sn-glycero-3-phosphocholine 
1-[(2-hydroxyethoxy)methyl]-5-(phenylsulfanyl)pyrimidine-2,4(1H,3H)-dione 
1-[(2-hydroxyethoxy)methyl]-6-(phenylsulfanyl)thymine 
1-[(2Z)-hexadecenoyl]-2-[(9Z)-octadecenoyl]-sn-glycero-3-phosphocholine 
1-[(4-methylphenyl)methyl]-1,3-diazinan-2-one 
1-[(7Z)-hexadecenoyl]-2-[(5Z,8Z,11Z,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-[(11Z)-icosenoyl]-sn-glycero-3-phospho-1D-myo-inositol 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-[(11Z)-octadecenoyl]-sn-glycero-3-phospho-1D-myo-inositol 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-icosanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-octadecanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(9E)-hexadecenoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-hexadecenoyl]-2-[(11Z)-octadecenoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-hexadecenoyl]-2-[(5Z,8Z,11Z,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-hexadecenoyl]-2-[(9Z)-octadecenoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-hexadecenoyl]-2-acetyl-sn-glycero-3-phosphocholine 
1-[(9Z)-hexadecenoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-hexadecenyl]-2-acetyl-sn-glycero-3-phosphocholine 
1-[(9Z)-octadecenoyl]-2-[(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-octadecenoyl]-2-[(6Z,9Z)-octadecadienoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-octadecenyl]-2-[(5Z,8Z,11Z,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-[(9Z)-octadecenyl]-2-hexadecanoyl-sn-glycero-3-phosphocholine 
1-[(9Z,12Z)-octadecadienoyl]-2-[(5Z,8Z,11Z,14Z)-icosatetraenoyl]-sn-glycero-3-phosphocholine 
1-[6-amino-2,4-dioxo-1-(phenylmethyl)-5-pyrimidinyl]-3-butyl-1-ethylurea 
1-acyl-sn-glycero-3-phosphoethanolamine +  
1-acyl-sn-glycerol 3-phosphate +  
1-acyl-sn-glycerol 3-phosphate(2-) +  
1-acylglycerone 3-phosphate +  
1-acylglycerone 3-phosphate(2-) +  
1-alkyl-2-acetyl-sn-glycerol +  
1-alkyl-2-acetyl-sn-glycerol 3-phosphate(2-) 
1-alkyl-2-acyl-sn-glycero-3-phosphoethanolamine +  
1-alkyl-2-acyl-sn-glycerol +  
1-alkyl-sn-glycerol 3-phosphate +  
1-alkyl-sn-glycerol 3-phosphate(2-) +  
1-alkylglycerone 3-phosphate +  
1-alkylglycerone 3-phosphate(2-) +  
1-aminopropan-2-ol +  
1-arachidonoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-arachidonoyl-sn-glycero-3-phosphocholine 
1-arachidonoyl-sn-glycero-3-phosphoethanolamine 
1-bromo-2-propanol 
1-C-(indol-3-yl)glycerol 3-phosphate(2-) 
1-chloro-2,4,6-trinitrobenzene  
1-chloro-2,4-dinitrobenzene  
1-chlorobutan-2-ol 
1-deoxy-D-xylulose 
1-deoxy-D-xylulose 5-phosphate 
1-docosanoyl-2-pentadecanoyl-sn-glycero-3-phosphoethanolamine 
1-docosanoyl-2-tetradecanoyl-sn-glycero-3-phosphoethanolamine 
1-docosene 
1-dodecene 
1-eicosyl-2-linolenyl-sn-glycero-3-phosphoethanolamine 
1-ethyl-2-propylcyclohexane 
1-fluoro-2,4-dinitrobenzene  
1-heptadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine 
1-heptadecanoyl-2-[(9Z,12Z,15Z)-octadecatrienoyl]-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(11Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine 
1-hexadecanoyl-2-(4E,7E,10E,13E,16E,19E-docosahexaenoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine  
1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z-docosapentaenoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(5E,8E,11E,14E-eicosatetraenoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-icosatetraenoyl)-sn-glycero-3-phospho-D-myo-inositol 
1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-icosatetraenoyl)-sn-glycero-3-phosphoethanolamine 
1-hexadecanoyl-2-(7Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine 
1-hexadecanoyl-2-(9,10-epoxyoctadecanoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(9-oxononanoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) 
1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphoethanolamine 
1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine 
1-hexadecanoyl-2-[(11Z)-octadec-9-enoyl]-sn-glycero-3-phospho-(1'-sn-glycerol) 
1-hexadecanoyl-2-[(5S,6E,8Z,11Z,14Z)-5-hydroxyicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-[(5Z,8Z,10E,12S,14Z)-12-hydroxyicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-[(7Z,10Z,13Z,16Z)-docosatetraenoyl]-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-[(7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl]-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-[(9Z)-octadec-9-enoyl]-sn-glycero-3-phospho-(1'-sn-glycerol) 
1-hexadecanoyl-2-icosanoyl-sn-glycero-3-phosphoethanolamine 
1-hexadecanoyl-2-methyl-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine 
1-hexadecanoyl-sn-glycero-3-phospho-D-myo-inositol 
1-hexadecanoyl-sn-glycero-3-phosphocholine +  
1-hexadecanoyl-sn-glycero-3-phosphoethanolamine 
1-hexadecyl-2-formyl-sn-glycero-3-phosphocholine 
1-icosanoyl-2-hexadecanoyl-sn-glycero-3-phosphocholine 
1-icosanoyl-2-tetradecanoyl-sn-glycero-3-phosphocholine 
1-icosanoyl-sn-glycero-3-phosphoethanolamine 
1-icosapentaenoyl-sn-glycero-3-phosphocholine 
1-iodo-2-methylundecane 
1-linoleoyl-sn-glycero-3-phosphocholine 
1-linoleoyl-sn-glycero-3-phosphoethanolamine 
1-linoleoyl-sn-glycero-3-phosphoethanolamine zwitterion 
1-methoxyphenanthrene 
1-methyl-2-hexadecanoyl-sn-glycero-3-phosphocholine 
1-methyl-4-prop-2-enoxy-2-pyrimidinone 
1-methyl-7H-xanthine +   
1-methyladenosine 
1-methylcytosine 
1-methylimidazole-4-acetaldehyde 
1-methylnicotinamide +   
1-methylpyrrolinium 
1-methyluracil 
1-methyluric acid  
1-myristoyl-2-linoleoyl-sn-glycerol 
1-myristoyl-2-oleoyl-sn-glycerol +  
1-myristoyl-2-palmitoleoyl-sn-glycero-3-phosphocholine 
1-myristoyl-2-palmitoleoyl-sn-glycerol 
1-myristoyl-2-palmitoyl-sn-glycero-3-phosphocholine 
1-myristoyl-2-palmitoyl-sn-glycerol 
1-naphthaldehyde  
1-nitronaphthalene  
1-O-(alpha-D-galactosyl)-N-hexacosanoylphytosphingosine +   
1-O-(alpha-D-glucosyl)-29-keto-(3R,31R)-dotriacontanetriol 
1-O-acyl-sn-glycero-3-phosphocholine(1+) +  
1-O-all-trans-retinoyl-beta-glucuronic acid 
1-octadec-9-enoylglycero-3-phosphate  
1-octadecadienyl-2-icosatetraenoyl-sn-glycero-3-phosphoethanolamine 
1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-(5E,8E,11E,14E-eicosatetraenoyl)-sn-glycero-3-phosphoethanolamine 
1-octadecanoyl-2-(7Z,10Z,13Z,16Z)-docosatetraenoyl-sn-glycero-3-phosphoethanolamine 
1-octadecanoyl-2-(7Z,10Z,13Z,16Z-docosatetraenoyl)-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-[(10Z,12Z)-octadecadienoyl]-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-[(2E,4E)-octadecadienoyl]-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-[(4Z,7Z,10Z,13Z,16Z)-docosapentaenoyl]-sn-glycero-3-phosphoethanolamine 
1-octadecanoyl-2-[(6Z,9Z)-octadecadienoyl]-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-[(8Z,10Z,12Z,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-[(9Z)-octadecenoyl]-sn-glycerol +   
1-octadecanoyl-2-[(9Z,11Z,13Z,15Z,17Z,19E)-docosahexaenoyl]-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-[(9Z,12Z)-octadecadienoyl]-sn-glycero-3-phosphocholine 
1-octadecanoyl-2-octadecenoyl-sn-glycero-3-phosphocholine +  
1-octadecanoyl-2-pentadecanoyl-sn-glycero-3-phosphocholine 
1-octadecenoyl-2-icosatetraenoyl-sn-glycero-3-phosphoethanolamine 
1-octadecenoyl-2-octadecadienoyl-sn-glycero-3-phospho-(1'-sn-glycerol) 
1-octadecylglycero-3-phosphocholine 
1-oleoyl-2,3-di-linoleoyl-sn-glycerol 
1-oleoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycerol 
1-oleoyl-2-(7Z,10Z,13Z,16Z-docosatetraenoyl)-sn-glycerol 
1-oleoyl-2-(8Z,11Z,14Z-eicosatrienoyl)-sn-glycerol 
1-oleoyl-2-(alpha-linolenoyl)-sn-glycerol 
1-oleoyl-2-arachidonoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-oleoyl-2-arachidonoyl-sn-glycero-3-phosphocholine 
1-oleoyl-2-arachidonoyl-sn-glycerol 
1-oleoyl-2-gondoyl-sn-glycerol 
1-oleoyl-2-linoleoyl-sn-glycero-3-phosphocholine 
1-oleoyl-2-linoleoyl-sn-glycerol 
1-oleoyl-2-linoleyl-sn-glycero-3-phosphoethanolamine 
1-oleoyl-sn-glycero-3-phosphoethanolamine 
1-palmitoleoyl-2-linoleoyl-sn-glycero-3-phosphocholine 
1-palmitoleoyl-2-linoleoyl-sn-glycerol 
1-palmitoleoyl-2-palmitoyl-sn-glycero-3-phosphocholine 
1-palmitoleoyl-2-stearoyl-sn-glycero-3-phosphocholine 
1-palmitoleoyl-2-stearoyl-sn-glycerol 
1-palmitoyl-2,3-dioleoyl-sn-glycerol +  
1-palmitoyl-2-(11Z,14Z-eicosadienoyl)-sn-glycero-3-phosphocholine 
1-palmitoyl-2-(11Z,14Z-eicosadienoyl)-sn-glycerol 
1-palmitoyl-2-(11Z-eicosenoyl)-sn-glycero-3-phosphocholine 
1-palmitoyl-2-(7Z,10Z,13Z,16Z-docosatetraenoyl)-sn-glycero-3-phosphoethanolamine 
1-palmitoyl-2-(7Z,10Z,13Z,16Z-docosatetraenoyl)-sn-glycerol 
1-palmitoyl-2-(8Z,11Z,14Z-eicosatrienoyl)-sn-glycerol 
1-palmitoyl-2-(9Z-heptadecenoyl)-sn-glycero-3-phosphocholine 
1-palmitoyl-2-[(6Z,9Z,12Z)-octadecatrienoyl]-sn-glycero-3-phosphocholine 
1-palmitoyl-2-[(9Z,12Z,15Z)-octadecatrienoyl]-sn-glycero-3-phosphocholine 
1-palmitoyl-2-arachidonoyl-sn-glycero-3-phospho-(1'-sn-glycerol) 
1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine  
1-palmitoyl-2-linoleoyl-3-oleoyl-sn-glycerol 
1-palmitoyl-2-linoleoyl-sn-glycerol 
1-palmitoyl-2-octadecadienoyl-sn-glycero-3-phosphocholine 
1-palmitoyl-2-oleoyl-sn-glycerol +   
1-palmitoyl-2-palmitoleoyl-sn-glycero-3-phosphocholine 
1-palmitoyl-2-palmitoleoyl-sn-glycerol 
1-palmitoyl-2-stearoyl-sn-glycero-3-phosphoserine 
1-pentadecanoyl-2-[(5Z,8Z,11Z,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-pentadecanoyl-2-docosanoyl-sn-glycero-3-phosphoethanolamine 
1-pentadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine 
1-pentadecyl-2-acetyl-sn-glycero-3-phosphocholine 
1-penten-3-one  
1-phenanthrol +  
1-phenylethanol +  
1-phenylethylamine +  
1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate +  
1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate(7-) +  
1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate +  
1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate(5-) +  
1-phosphatidyl-1D-myo-inositol 3,5-bisphosphate(5-) +  
1-phosphatidyl-1D-myo-inositol 3-phosphate +  
1-phosphatidyl-1D-myo-inositol 3-phosphate(3-) +  
1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate +  
1-phosphatidyl-1D-myo-inositol 4-phosphate +  
1-phosphatidyl-1D-myo-inositol 4-phosphate(3-) +  
1-phosphatidyl-1D-myo-inositol 5-phosphate(3-) +  
1-phosphatidyl-1D-myo-inositol(1-) +  
1-piperideine-2-carboxylate 
1-piperideine-6-carboxylate +  
1-pyrroline-2-carboxylate 
1-pyrroline-3-hydroxy-5-carboxylate 
1-pyrroline-5-carboxylate +  
1-pyrrolinium +  
1-stearoyl-2-(7Z,10Z,13Z,16Z-docosatetraenoyl)-sn-glycero-3-phosphoserine 
1-stearoyl-2-(7Z,10Z,13Z,16Z-docosatetraenoyl)-sn-glycerol 
1-stearoyl-2-(8Z,11Z,14Z-icosa-8,11,14-trienoyl)-sn-glycerol 
1-stearoyl-2-(8Z,11Z,14Z-icosatrienoyl)-sn-glycero-3-phosphoserine 
1-stearoyl-2-arachidonoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-stearoyl-2-arachidonoyl-sn-glycero-3-phosphocholine +  
1-stearoyl-2-arachidonoyl-sn-glycero-3-phosphoethanolamine 
1-stearoyl-2-linoleoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-stearoyl-2-linoleoyl-sn-glycero-3-phospho-L-serine 
1-stearoyl-2-linoleoyl-sn-glycerol  
1-stearoyl-2-oleoyl-sn-glycero-3-phosphoserine +  
1-stearoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-stearoyl-sn-glycero-3-phosphocholine  
1-stearoyl-sn-glycero-3-phosphoethanolamine 
1-tetradecanoyl-2-(11Z-octadecenoyl)-sn-glycero-3-phosphocholine 
1-tetradecanoyl-2-[(9Z)-octadecenoyl]-sn-glycero-3-phosphocholine 
1-tetradecanoyl-2-docosanoyl-sn-glycero-3-phosphoethanolamine 
10-formyltetrahydrofolate(2-) +  
10-formyltetrahydrofolic acid +   
10-hydroxypalmitic acid 
10-nonadecenoate 
10-nonadecenoic acid +  
10-PAHSA 
10-PAHSA(1-) 
11(R)-HPETE 
11(S)-HETE 
11,12,15-trihydroxy-(5Z,8Z,13E)-icosatrienoic acid 
11,12-EET +  
11,14,15-trihydroxy-(5Z,8Z,12E)-icosatrienoic acid 
11-cis-retinal +  
11-cis-retinol +  
11-cis-retinyl palmitate 
11-dehydro-thromboxane B2  
11-dehydrocorticosterone  
11-deoxycorticosterone +   
11-deoxycortisol  
11-epi-prostaglandin F2alpha +  
11-epi-prostaglandin F2alpha(1-) 
11-HETE +  
11-nitro-1-undecene 
11-oxo-ETE +  
11-oxotestosterone 
11-PAHSA 
11-PAHSA(1-) 
11beta,17alpha,21-trihydroxypregnenolone 
11beta-hydroxyandrost-4-ene-3,17-dione 
11beta-hydroxyprogesterone 
12(R)-HPETE +  
12(S)-HEPE 
12(S)-HETE 
12(S)-HPETE +   
12(S)-HPETE(1-) 
12-HEPE +  
12-HETE +  
12-hydroxylauric acid +   
12-oxo-ETE 
12-PAHSA 
12-PAHSA(1-) 
12alpha-hydroxy-3-oxo-5beta-cholan-24-oic acid +  
13(S)-HODE 
13(S)-HOTrE 
13(S)-HPODE +  
13(S)-HPODE(1-) 
13,14-dihydro-15-oxolipoxin A4 
13,14-dihydro-15-oxolipoxin A4(1-) 
13,14-dihydrolipoxin A4 
13,14-dihydrolipoxin A4(1-) 
13-cis-retinal  
13-cis-retinol +  
13-hydroxy-(14R,15S)-epoxy-(5Z,8Z,11Z)-icosatrienoic acid 
13-hydroxy-alpha-tocopherol 
13-oxo-9Z,11E-ODE 
13-PAHSA 
13-PAHSA(1-) 
14,15-EET +   
14-demethyllanosterol +   
15(R)-HEPE 
15(R)-HEPE(1-) 
15(S)-HETE 
15(S)-HETrE 
15(S)-HPETE +  
15(S)-HPETE(1-) 
15-dehydro-prostaglandin E1(1-) 
15-dehydroprostaglandin A1 
15-deoxy-Delta(12,14)-prostaglandin J3 
15-HEPE +  
15-ketoprostaglandin F1alpha(1-) 
15-oxo-ETE +   
15alpha-hydroxytestosterone  
16(R)-HETE 
16alpha-hydroxyandrost-4-ene-3,17-dione 
16alpha-hydroxydehydroepiandrosterone 
16alpha-hydroxyestrone +  
16alpha-hydroxypregnenolone 
16beta-hydroxytestosterone 
17(R)-HDoHE 
17(R)-HDoHE(1-) 
17(S)-HDoHE 
17-phenyl-18,19,20-trinor-prostaglandin D2 
17-phenyl-18,19,20-trinor-prostaglandin E2 
17alpha,21-dihydroxypregnenolone 
17alpha-hydroxypregnenolone +   
17alpha-hydroxyprogesterone  
17beta-estradiol +   
17beta-estradiol 3-glucosiduronic acid  
17beta-hydroxy-5alpha-androstan-3-one +   
17beta-hydroxy-5beta-estran-3-one 
18(R)-HEPE 
18(R)-HEPE(1-) 
18-hydroxycorticosterone 
18-hydroxyleukotriene B4 
19(S)-HETE  
19-hydroxyandrost-4-ene-3,17-dione 
19-hydroxyleukotriene B4 
19-hydroxytestosterone 
1alpha,23(S),25-trihydroxyvitamin D3 
1alpha,2beta,25-trihydroxy vitamin D3 
1D-myo-inositol 1,3,4,5-tetrakisphosphate 
1D-myo-inositol 1,3,4,5-tetrakisphosphate(8-) 
1D-myo-inositol 1,3,4-trisphosphate 
1D-myo-inositol 1,3,4-trisphosphate(6-) 
1D-myo-inositol 1,4,5,6-tetrakisphosphate 
1D-myo-inositol 1,4,5,6-tetrakisphosphate(8-) 
1D-myo-inositol 1,4,5-trisphosphate +   
1D-myo-inositol 1,4,5-trisphosphate(6-) 
1D-myo-inositol 1,4-bisphosphate 
1D-myo-inositol 1,4-bisphosphate(4-) 
1D-myo-inositol 1-phosphate  
1D-myo-inositol 1-phosphate(2-) 
1D-myo-inositol 3,4,5,6-tetrakisphosphate 
1D-myo-inositol 3,4,5,6-tetrakisphosphate(8-) 
1D-myo-inositol 3,4-bisphosphate 
1D-myo-inositol 3-phosphate 
1D-myo-inositol 3-phosphate(2-) 
1D-myo-inositol 4-phosphate 
1D-myo-inositol 4-phosphate(2-) 
1H-indole +   
2',3'-cyclic AMP 
2',3'-cyclic AMP(1-) 
2',3'-cyclic CMP 
2',3'-cyclic GMP +  
2',3'-cyclic UMP 
2',3'-cyclic UMP(1-) 
2'-aminobiphenyl-2,3-diol 
2'-deoxyadenosine +   
2'-deoxyadenosine 5'-monophosphate(2-) +  
2'-deoxycytidine +   
2'-deoxycytosine 5'-monophosphate +   
2'-deoxycytosine 5'-monophosphate(2-) +  
2'-deoxyguanosine +   
2'-deoxyguanosine 5'-monophosphate +   
2'-deoxyguanosine 5'-monophosphate(2-) +  
2'-deoxyinosine 
2'-deoxyinosine 5'-phosphate(2-) 
2'-deoxyinosine-5'-diphosphate 
2'-deoxyinosine-5'-monophosphate 
2'-deoxyuridine +  
2,2',3-trihydroxydiphenyl ether 
2,2,2-trichloroethanol  
2,2-dihydroxy-3-methylbutanoate 
2,3,2',3'-tetrakis(3-hydroxytetradecanoyl)-alpha-D-glucosaminyl-1,6-beta-D-glucosamine 1-phosphate +  
2,3,3-trimethylpentane 
2,3,4,5-tetrahydrodipicolinic acid +  
2,3,5,8-tetramethyldecane 
2,3,5-trimethylhexane 
2,3-bis-O-(geranylgeranyl)-sn-glycero-3-phosphoethanolamine 
2,3-bisphospho-D-glyceric acid  
2,3-bisphosphoglyceric acid +   
2,3-bisphosphonato-D-glycerate(5-) 
2,3-didehydro-gibberellin A9 
2,3-dihydroxy-DDT +  
2,3-dihydroxy-trans-cinnamic acid 
2,3-dihydroxybenzoyl 5'-adenylate 
2,3-dihydroxybutanoic acid +  
2,3-diketogulonate 
2,3-diketogulonic acid 
2,3-epoxymenatetrenone 
2,4,4-trimethylpentane-1,3-diyl bis(2-methylpropanoate) 
2,4,6-trimethyldecane 
2,4,6-trinitrophenyl group +  
2,4-dimethyl-1-heptene 
2,4-dimethylfuran 
2,4-dimethylhexane 
2,4-dimethylpentan-3-amine 
2,4-dinitrophenol +   
2,4-dinitrophenyl group +  
2,4-Dioxo-1,2,3,4-tetrahydro-5-pyrimidinediazonium 
2,5,5-trimethyl-1,3-thiazolidine-4-carboxylic acid 
2,5-diamino-4-hydroxy-6-(5-phosphonatoribosylamino)pyrimidine(3-) 
2,5-diamino-6-(1-D-ribitylamino)pyrimidin-4(3H)-one 5'-phosphate(2-) 
2,5-diamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate 
2,5-diamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate(2-) 
2,5-diamino-6-(5-phosphono)ribitylamino-4(3H)-pyrimidinone 
2,5-diamino-6-(5-triphosphoryl-3,4-trihydroxy-2-oxopentyl)amino-4-oxopyrimidine 
2,5-diamino-6-ribosylamino-4(3H)pyrimidinone 5'-triphosphate 
2,5-diaminotoluene sulfate 
2,5-didehydro-D-gluconic acid 
2,5-dihydroxybenzaldehyde  
2,5-dihydroxybenzoate 
2,5-dihydroxybenzoic acid +   
2,5-dimethyl-p-phenylenediamine 
2,6,10,14-tetramethylheptadecane 
2,6,10,15-tetramethylheptadecane 
2,6,8-trimethyldecane 
2,6-diaminopimelate(2-) +  
2,6-diaminopimelic acid +  
2,6-dihydroxycyclohexane-1-carbonyl-CoA 
2,7,10-trimethyldodecane 
2,8-dihydroxyadenine 
2-(2,4-dioxo-1H-pyrimidin-6-yl)-N-[2-(4-morpholinyl)ethyl]acetamide 
2-(2-carboxyethyl)-4-methyl-5-propylfuran-3-carboxylic acid 
2-(3-amino-3-carboxypropyl)-L-histidine +  
2-(4-methoxyphenyl)propan-2-ol 
2-(4-methyl-1-piperazinyl)ethanamine 
2-(\{3-[(2S)-2-amino-2-carboxyethyl]-2,6-dioxo-3,6-dihydropyrimidin-1(2H)-yl\}methyl)benzoic acid 
2-(alpha-D-mannosyl)-D-glyceric acid +  
2-(dimethylamino)-5,6-dimethylpyrimidin-4-ol 
2-(morpholin-4-yloxy)ethanol 
2-[(11R)-hydroxy-(5Z,8Z,12E,14Z)-icosatetraenoyl]-sn-glycero-3-phosphocholine 
2-[(11Z,14Z)-icosadienoyl]-sn-glycero-3-phosphoethanolamine 
2-[(15R)-hydroxy-(5Z,8Z,11Z,13E)-icosatetraenoyl]-sn-glycero-3-phosphocholine 
2-[(15S)-hydroxy-(5Z,8Z,11Z,13E)-icosatetraenoyl]-sn-glycero-3-phosphocholine 
2-[(5Z,13E,15S)-11alpha,15-dihydroxy-9-oxoprosta-5,13-dien-1-oyl]-sn-glycero-3-phosphocholine 
2-[(5Z,13E,15S)-11alpha,15-dihydroxy-9-oxoprosta-5,13-dien-1-oyl]-sn-glycero-3-phosphoethanolamine 
2-[(5Z,8Z,11Z)-icosatrienoyl]-sn-glycero-3-phosphoethanolamine 
2-[(9S,11R)-epidioxy-(15S)-hydroperoxy-(5Z,13E)-prostadienoyl]-sn-glycero-3- phosphocholine 
2-[(9S,11R)-epidioxy-(15S)-hydroperoxy-(5Z,13E)-prostadienoyl]-sn-glycero-3-phosphoethanolamine 
2-[(9S,11R)-epidioxy-(15S)-hydroxy-(5Z,13E)-prostadienoyl]-sn-glycero-3- phosphocholine 
2-[(9S,11R)-epidioxy-(15S)-hydroxy-(5Z,13E)-prostadienoyl]-sn-glycero-3-phosphoethanolamine 
2-[2-(4-aminophenyl)-5-[(methylsulfonyl)amino]-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-3,3,3-trifluoro-1-(1-methylethyl)-2-oxopropyl]acetamide 
2-[3-carboxylato-3-(methylammonio)propyl]-L-histidine dizwitterion +  
2-[5-(benzylamino)-2-(methylsulfanyl)-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]acetamide 
2-[5-amino-2-(3-methylphenyl)-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]acetamide 
2-[5-amino-6-oxo-2-phenylpyrimidin-1(6H)-yl]-N-\{(1S)-1-[(S)-(5-tert-butyl-1,3,4-oxadiazol-2-yl)(hydroxy)methyl]-2-methylpropyl\}acetamide 
2-[6-(methoxymethyl)-4-oxo-1H-pyrimidin-2-yl]-1-(4-methylphenyl)guanidine 
2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
2-acetamido-2-deoxy-D-glucopyranose 1-phosphate +  
2-acetamido-5-oxopentanoate 
2-acetyllactate 
2-acetyllactic acid +  
2-acyl-sn-glycero-3-phosphate +  
2-acyl-sn-glycero-3-phosphocholine(1+) +  
2-acyl-sn-glycero-3-phosphoethanolamine +  
2-amino-2-deoxy-beta-D-galactopyranose 
2-amino-2-deoxy-D-glucopyranose +   
2-amino-3-(3-oxoprop-1-enyl)but-2-enedioate +  
2-amino-3-(3-oxoprop-1-enyl)but-2-enedioic acid +  
2-amino-3-oxoadipic acid 
2-amino-3-phosphonopropanoic acid 
2-amino-4-hydroxypyrimidine +  
2-amino-5-formylamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate 
2-amino-5-formylamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate(2-) 
2-amino-6-(hydroxymethyl)-7,8-dihydropteridin-4-ol 
2-amino-6-methylpyrimidin-4(3H)-one 
2-aminoacetaldehyde 
2-aminoacrylic acid +  
2-aminoethanesulfonate +  
2-aminomuconate 6-semialdehyde(1-) 
2-aminomuconic 6-semialdehyde 
2-aminomuconic acid +  
2-aminooctanoic acid 
2-aminooctanoic acid zwitterion 
2-ammonio-2-deoxy-D-glucopyranose +  
2-ammonio-2-deoxy-D-glucopyranose 6-phosphate(1-) +  
2-arachidonoylglycerol +   
2-bromo-2-(bromomethyl)pentanedinitrile +   
2-butyl-1-octanol +  
2-butylfuran 
2-C-methyl-D-erythritol 2,4-cyclic diphosphate 
2-C-methyl-D-erythritol 4-(dihydrogen phosphate) 
2-cis,6-trans,10-trans-geranylgeranyl diphosphate 
2-decaprenyl-6-methoxy-1,4-benzoquinone 
2-decaprenyl-6-methoxy-3-methyl-1,4-benzoquinone 
2-decaprenyl-6-methoxyphenol 
2-dehydro-3-deoxy-6-phospho-D-gluconic acid 
2-dehydro-3-deoxy-D-galactonic acid 
2-dehydro-3-deoxy-D-gluconic acid 
2-dehydro-L-gluconic acid 
2-dehydropantoate 
2-demethylmenaquinone +  
2-deoxy-D-glucose 6-phosphate 
2-deoxy-D-ribofuranose 
2-deoxy-D-ribofuranose 1-phosphate(2-) 
2-deoxy-D-ribonate 
2-deoxy-D-ribonic acid 
2-deoxy-D-ribose +  
2-deoxy-D-ribose 5-phosphate(2-) 
2-diethylamino-6-methylpyrimidin-4(1H)-one +   
2-ethyl-2-hexenal +  
2-ethyl-4-hydroxy-5-methyl-3(2H)-furanone 
2-ethyl-5-methylfuran 
2-ethylhydracrylate 
2-ethylhydracrylic acid 
2-formamido-N(1)-(5-O-phosphonato-D-ribosyl)acetamidine +  
2-formamido-N(1)-(5-phospho-D-ribosyl)acetamidine 
2-formylbenzoate 
2-formylbenzoic acid 
2-furoate 
2-furoic acid +   
2-hexaprenyl-6-methoxy-1,4-benzoquinone 
2-hexaprenyl-6-methoxy-3-methyl-1,4-benzoquinone 
2-hexaprenyl-6-methoxyphenol 
2-hexylfuran 
2-hydroxy-1,4-benzoquinone +  
2-hydroxy-17beta-estradiol +   
2-hydroxy-3-(4-hydroxyphenyl)prop-2-enoic acid 
2-hydroxy-3-methylbutyrate 
2-hydroxy-3-methylbutyric acid +  
2-hydroxy-3-oxobutyl phosphate +  
2-hydroxy-3-oxopropanoic acid 
2-hydroxy-4-isopropenylcyclohexane-1-carbonyl-CoA 
2-hydroxy-6-oxocyclohexane-1-carbonyl-CoA 
2-hydroxyacrylic acid 
2-hydroxybutyrate +  
2-hydroxybutyric acid +  
2-hydroxyestrone +   
2-hydroxyethyl methacrylate  
2-hydroxyglutaramic acid 
2-hydroxyglutaric acid +   
2-hydroxyhepta-2,4-dienedioic acid 
2-hydroxyhexadecanal +  
2-hydroxyhexadecanoate +  
2-hydroxyhexadecanoic acid +  
2-hydroxyoctadecanoate +  
2-hydroxyoctadecanoic acid +  
2-hydroxyphytanoyl-CoA(4-) 
2-hydroxypropanoic acid +   
2-hydroxypropylphosphonic acid +  
2-icosanoyl-sn-glycero-3-phosphoethanolamine 
2-isopropyl-5-methyl-1-heptanol 
2-isopropyl-6-methyl-4-pyrimidinone 
2-isopropylaminoethylamine 
2-isopropylmalate(2-) +  
2-isopropylmaleate(2-) 
2-isopropylmaleic acid 
2-linoleoyl-sn-glycero-3-phosphoethanolamine 
2-methoxy-17beta-estradiol +   
2-methoxy-17beta-estradiol 3-O-(beta-D-glucuronide) 
2-methoxy-6-(all-trans-octaprenyl)phenol 
2-methoxyestrone +   
2-methoxyestrone 3-O-(beta-D-glucuronide) 
2-methyl-1,3-thiazolidine-2-carboxamide 
2-methyl-1,4-phenylenediamine +   
2-methyl-1-hydroxypropylthiamine diphosphate 
2-methyl-1-pentene 
2-methyl-3-ketovaleric acid 
2-methyl-3-oxopropanoate +  
2-methyl-3-sulfanylbutan-1-ol 
2-methyl-5-propionylfuran 
2-methylacetoacetyl-CoA 
2-methylacetoacetyl-CoA(4-) 
2-methylbutan-1-ol +  
2-methylbutan-2-amine 
2-methylbutanal +  
2-methylbutanoyl-CoA(4-) +  
2-methylbutyl acetate 
2-methylbutyric acid +   
2-methylbutyrylcarnitine +  
2-methylcitrate(3-) +  
2-methylcrotonoyl-CoA(4-) 
2-methylerythritol 
2-methylfervenulone 
2-methylhexenoyl-CoA 
2-methylpropane-1,2-diol 
2-methyltridecane 
2-naphthaldehyde 
2-naphthoic acid +   
2-naphthol +   
2-naphthoyl-CoA 
2-O-alpha-D-mannosyl-1-O-\{1-O-[(10S)-10-methyloctadecanoyl]-2-O-palmitoyl-sn-glycero-3-phosphonato\}-5-O-palmitoyl-6-O-(6-O-palmitoyl-alpha-D-mannosyl)-1D-myo-inositol +  
2-O-alpha-D-mannosyl-1-O-\{1-O-[(10S)-10-methyloctadecanoyl]-2-O-palmitoyl-sn-glycero-3-phosphono\}-5-O-palmitoyl-6-O-(6-O-palmitoyl-alpha-D-mannosyl)-1D-myo-inositol 
2-O-palmitoyl-2'-O-sulfo-3-O-[(2E,4S,6S,8S)-2,4,6,8-tetramethyltriacont-2-enoyl]-alpha,alpha-trehalose 
2-O-sulfate-4-hydroxyacetophenone 
2-octaprenylphenol 
2-octene +  
2-oxo-1,2,3,6-tetrahydropyrimidine-4,6-dicarboxylic acid 
2-oxoadipate(2-) 
2-oxoadipic acid  
2-oxobutanoate 
2-oxoglutaramate +  
2-oxoglutarate(2-) 
2-oxopentanoic acid 
2-phenylacetamide 
2-phenylethanaminium 
2-phenylethanol +   
2-phenylethylamine +   
2-phospho-D-glyceric acid 
2-phosphoglycerate(3-) 
2-phosphoglycolic acid 
2-phosphonato-D-glycerate(3-) 
2-phosphonatoglycolate(3-) 
2-stearoyl-sn-glycero-3-phosphocholine 
2-tetradecanoyl-sn-glycero-3-phosphocholine 
2-thienylacetic acid +  
2-thiobarbituric acid +   
2-trans,6-trans,10-trans-geranylgeranyl diphosphate  
2-trans,6-trans,10-trans-geranylgeranyl diphosphate(3-) 
2-trans,6-trans-farnesyl diphosphate +   
2-trans,6-trans-farnesyl diphosphate(3-) 
2-trimethylaminoethylphosphonic acid 
20(S),25-dihydroxyvitamin D3 
20-HETE +   
20-hydroxy-leukotriene B4 
20-hydroxy-leukotriene B4(1-) 
20-hydroxy-leukotriene E4(1-) 
20-hydroxycholesterol  
20beta-dihydroprednisolone 
21-deoxycortisol 
21-HDoHE 
21-hydroxypregnenolone +  
23(S),25-dihydroxy-24-oxovitamin D3 
23-acetoxysoladulcidine 
24,25-dihydrolanosterol +   
24-methylenecholesterol +  
24-methylidenelophenol +  
25-hydroxycholesterol  
26-hydroxycholesterol +   
2alpha-hydroxytestosterone 
2beta-hydroxytestosterone 
3',5'-cyclic AMP +   
3',5'-cyclic AMP(1-) 
3',5'-cyclic CMP 
3',5'-cyclic CMP(1-) 
3',5'-cyclic dAMP 
3',5'-cyclic dTMP 
3',5'-cyclic GMP +   
3',5'-cyclic GMP(1-) +  
3',5'-cyclic IMP 
3'-AMP 
3'-AMP(2-) 
3'-CMP +   
3'-deoxy-3',4'-didehydro-CTP 
3'-deoxy-3',4'-didehydro-cytidine +  
3'-dephospho-CoA 
3'-dephospho-CoA(2-) 
3'-hydroxy-4'-methoxydiclofenac 
3'-hydroxydiclofenac 
3'-ketolactose 
3'-Oxopentobarbitone 
3'-phospho-5'-adenylyl sulfate  
3'-phosphoadenylyl selenate 
3'-phosphonato-5'-adenylyl sulfate(4-) 
3'-UMP +  
3'-UMP(2-) 
3,13,19-trimethyltricosanoic acid 
3,17-dioxoandrost-4-en-19-al 
3,3',5'-triiodothyronine +   
3,3',5,5'-tetraiodothyroacetic acid  
3,3',5-triiodo-L-thyronine +   
3,3',5-triiodo-L-thyronine sulfate 
3,3',5-triiodo-L-thyronine zwitterion +  
3,3'-diiodo-L-thyronine +  
3,4,5-trimethoxycinnamic acid 
3,4-dihydro-4-[(5-methyl-2-furanyl)methylene]-2H-pyrrole 
3,4-dihydroxybutyric acid 
3,4-dihydroxyfluorene 
3,4-dihydroxymandelaldehyde +  
3,4-dihydroxymandelate +  
3,4-dihydroxymandelic acid  
3,4-dihydroxyphenylacetaldehyde  
3,4-dihydroxyphenylethyleneglycol +   
3,4-dihydrozebularine 
3,4-dimethoxybenzoic acid +  
3,4-dimethoxyphenylethylamine 
3,5-dibromocatechol 
3,5-diiodo-L-tyrosinate(1-) 
3,5-diiodo-L-tyrosine +  
3,5-dimethyloctane 
3,5-dimethyluracil 
3,5-dioxooctanedioic acid 
3,7,11-trimethyldodecan-1-ol 
3,7-dimethyl-3-octanol 
3,7-dimethyluric acid 
3,8-dimethylundecane 
3-(1H-indol-3-yl)propanoate 
3-(1H-indol-3-yl)propanoic acid  
3-(2-methylpropyl)cyclohexene 
3-(3-hydroxyphenyl)propanoic acid +  
3-(4-deoxy-beta-D-gluc-4-enosyluronic acid)-N-acetyl-D-glucosamine 
3-(4-hydroxyphenyl)lactate +  
3-(4-hydroxyphenyl)lactic acid +  
3-(4-hydroxyphenyl)pyruvate 
3-(4-oxo-4,5-dihydro-1H-imidazol-5-yl)propanoic acid 
3-(5-methylfurfuryl)pyrrole 
3-(6-methyl-4-oxo-2-sulfanylidene-1H-pyrimidin-5-yl)propanoic acid methyl ester 
3-(\{3-[(2S)-2-amino-2-carboxyethyl]-5-methyl-2,6-dioxo-3,6-dihydropyrimidin-1(2H)-yl\}methyl)thiophene-2-carboxylic acid 
3-(all-trans-octaprenyl)benzene-1,2-diol 
3-(imidazol-4-yl)-2-oxopropyl dihydrogen phosphate 
3-(imidazol-4-yl)-2-oxopropyl phosphate(2-) 
3-(imidazol-5-yl)lactic acid +  
3-(indol-3-yl)lactate 
3-(indol-3-yl)lactic acid  
3-(indol-3-yl)pyruvate 
3-(indol-3-yl)pyruvic acid 
3-(leucinocarbonyl)phenylazo group 
3-(methylthio)propionate 
3-[4-(3-chlorophenyl)piperazin-1-yl]-1,1-diphenylpropan-2-ol hydrochloride 
3-[alpha-D-galactosyl-(1->6)-beta-D-galactosyl]-1,2-diacyl-sn-glycerol +  
3-amino-4-iodopyridine 
3-aminoalanine +  
3-aminopiperidine-2-one 
3-ammoniopropanal 
3-carboxy-1-hydroxypropylthiamine diphosphate 
3-carboxy-4-methyl-5-propyl-2-furanpropanoate 
3-chloro-L-tyrosine 
3-cyano-L-alanine +  
3-decaprenyl-4,5-dihydroxybenzoic acid +  
3-decaprenyl-4-hydroxy-5-methoxybenzoic acid 
3-dehydro-4-methylzymosterol +  
3-dehydro-L-gulonate 
3-dehydro-L-gulonic acid +  
3-dehydro-L-gulonic acid 6-phosphate 
3-dehydrocarnitine +   
3-dehydrocarnitinium 
3-dehydroquinate 
3-dehydroquinic acid 
3-dehydroshikimate 
3-dehydrosphinganine +  
3-dehydrosphinganinium(1+) +  
3-demethylubiquinone-10 
3-demethylubiquinone-6 
3-deoxy-D-arabino-hexonic acid 
3-deoxychenodeoxycholic acid 
3-disulfanyl-L-alanine +  
3-ethyl-2,7-dimethyloctane 
3-ethylcytosine 
3-ethylpentane 
3-fucosyllactose +  
3-furoic acid +  
3-hexaprenyl-4,5-dihydroxybenzoate 
3-hexaprenyl-4,5-dihydroxybenzoic acid 
3-hexaprenyl-4-hydroxy-5-methoxybenzoate 
3-hexaprenyl-4-hydroxy-5-methoxybenzoic acid 
3-hexaprenyl-4-hydroxybenzoic acid 
3-hydroxy-2-isopropyl-4-methoxy-4-oxobutanoate 
3-hydroxy-2-methylpropanoyl-CoA(4-) 
3-hydroxy-3-methylglutarate(1-) 
3-hydroxy-3-methylglutarate(2-) 
3-hydroxy-3-methylglutaric acid +  
3-hydroxy-3-methylglutaryl-CoA +  
3-hydroxy-3-methylhexanoic acid +  
3-hydroxy-5-oxohexanoyl-CoA 
3-hydroxy-L-kynurenine 
3-hydroxy-N(6),N(6),N(6)-trimethyl-L-lysine 
3-hydroxyanthranilate 
3-hydroxyanthranilic acid 
3-hydroxybutanoyl-CoA +  
3-hydroxybutyrate +  
3-hydroxybutyric acid +   
3-hydroxydecanoic acid 
3-hydroxydocosanoyl-CoA +  
3-hydroxyicosanoyl-CoA +  
3-hydroxyisobutyrate +  
3-hydroxyisovalerate 
3-hydroxyisovaleric acid +   
3-hydroxyisovaleryl-CoA 
3-hydroxyisovalerylcarnitine 
3-hydroxykynurenamine 
3-hydroxykynurenine +   
3-hydroxymandelic acid 
3-hydroxyoctadecanoyl-CoA +  
3-hydroxyphenylpyruvic acid 
3-hydroxypimeloyl-CoA 
3-hydroxypropanoyl-CoA 
3-hydroxypropanoyl-CoA(4-) 
3-hydroxypropionate 
3-hydroxypropionic acid +   
3-hydroxypyruvate 
3-hydroxypyruvic acid  
3-hydroxytetracosanoyl-CoA 
3-hydroxytetradecanoic acid +  
3-iodo-L-tyrosine +  
3-keto-beta-D-galactose 
3-mercaptohexanol +  
3-mercaptohexyl acetate 
3-mercaptolactic acid 
3-mercaptopentanol 
3-mercaptopyruvate 
3-mercaptopyruvic acid 
3-methoxy-3-methylhexane 
3-methoxy-4-hydroxyphenylglycolaldehyde 
3-methyl-2-oxobutanoate 
3-methyl-2-oxobutanoic acid  
3-methyl-2-oxovalerate +  
3-methyl-2-oxovaleric acid +   
3-methyl-3-sulfanylhexan-1-ol 
3-methyladenine  
3-methylbut-2-enoyl-CoA 
3-methylbut-2-enoyl-CoA(4-) 
3-methylbutanal 
3-methylcytosine 
3-methyleneheptane 
3-methylguanine +  
3-methylhexane 
3-methylhistidine 
3-methylhistidine zwitterion 
3-methylmalate(2-) 
3-methylmalic acid +  
3-methylpentane 
3-methylpyrrolo[1,2-a]pyrazine 
3-methylthiopropanol +  
3-methyluracil 
3-O-beta-D-galactopyranosyl-sn-glycerol 
3-O-methyldopa 
3-O-methyldopa zwitterion 
3-oxoadipic acid +  
3-oxoadipyl-CoA 
3-oxochola-4,6-dien-24-oic acid 
3-oxodecanoyl-CoA 
3-oxodocosanoyl-CoA 
3-oxodotriacontanoyl-CoA 
3-oxohexacosanoyl-CoA 
3-oxohexanoyl-CoA 
3-oxoicosanoyl-CoA 
3-oxolauroyl-CoA 
3-oxooctadecanoyl-CoA 
3-oxooctanoyl-CoA 
3-oxopalmitoyl-[acyl-carrier protein] 
3-oxopalmitoyl-CoA 
3-oxopalmitoyl-CoA(4-) 
3-oxopimeloyl-CoA 
3-oxopristanoyl-CoA(4-) 
3-oxopropanoate 
3-oxotetracosanoyl-CoA 
3-oxotetradecanoyl-CoA 
3-pentadecylcatechol 
3-penten-1-yne +  
3-phenyllactic acid +  
3-phenylpropionate +  
3-phenylpropionic acid +   
3-phospho-D-glyceric acid 
3-phospho-D-glyceroyl dihydrogen phosphate 
3-phosphonato-D-glycerate(3-) 
3-phosphonato-D-glyceroyl phosphate(4-) 
3-phosphonatooxypyruvate(3-) 
3-phosphonatoshikimate(3-) 
3-phosphoshikimic acid 
3-sulfino-L-alanine +  
3-sulfino-L-alanine(1-) +  
3-sulfinylpyruvic acid 
3-sulfonatopyruvate(2-) 
3-sulfopyruvic acid 
3-ureidoisobutyric acid 
3alpha,17alpha-dihydroxy-5alpha-pregnan-20-one 
3alpha,7alpha,12alpha,24-tetrahydroxy-5beta-cholestan-26-oyl-CoA +  
3alpha,7alpha,12alpha-trihydroxy-24-oxo-5beta-cholestan-26-oyl-CoA 
3alpha,7alpha,12alpha-trihydroxy-24-oxo-5beta-cholestan-26-oyl-CoA(4-) 
3alpha,7alpha,12alpha-trihydroxy-5beta-cholest-24-en-26-oyl-CoA +  
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-al +  
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oic acid +  
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl-CoA +  
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestane-5-carboxylic acid 
3alpha,7alpha,12beta-trihydroxy-5beta-cholanate 
3alpha,7alpha,12beta-trihydroxy-5beta-cholanic acid 
3alpha,7alpha,24-trihydroxy-5beta-cholestan-26-oyl-CoA 
3alpha,7alpha-dihydroxy-24-oxo-5beta-cholestan-26-oyl-CoA 
3alpha,7alpha-dihydroxy-5beta-cholest-24-enoyl-CoA 
3alpha,7alpha-dihydroxy-5beta-cholestan-26-al 
3alpha,7alpha-dihydroxy-5beta-cholestan-26-oic acid +  
3alpha,7alpha-dihydroxy-5beta-cholestan-26-oyl-CoA +  
3alpha-hydroxy-5beta-androstan-17-one +   
3alpha-hydroxy-5beta-androstan-17-one 3-glucosiduronic acid 
3alpha-hydroxy-5beta-pregnan-20-one  
3beta,12alpha-dihydroxy-5beta-cholan-24-oic acid 
3beta,7alpha,12alpha-trihydroxy-5beta-cholan-24-oic acid 
3beta,7alpha-dihydroxy-5beta-cholan-24-oic acid 
3beta-hydroxy-4beta-methyl-5alpha-cholest-8-ene-4alpha-carboxylate 
3beta-hydroxy-4beta-methyl-5alpha-cholest-8-ene-4alpha-carboxylic acid 
3beta-hydroxy-5alpha-cholest-8-ene-4alpha-carboxylate 
3beta-hydroxy-5alpha-cholest-8-ene-4alpha-carboxylic acid 
3beta-hydroxy-5beta-pregnan-20-one +  
3beta-hydroxyatractylon 
3beta-hydroxylanost-8-en-32-al  
4'-hydroxyacetophenone +   
4'-hydroxydiclofenac  
4,4'-(ethyl-2-nitropropane-1,3-diyl)bismorpholine 
4,4'-azodibenzenearsonic acid 
4,4'-diaminodiphenylmethane  
4,4'-dihydroxy-alpha-methylstilbene 
4,4-dimethyl-5alpha-cholest-8-en-3beta-ol 
4,4-dimethyl-5alpha-cholesta-8,14,24-trien-3beta-ol  
4,5,6-trimethyl-3-pentadecylcatechol 
4,5,9,10-dehydroisolongifolene 
4,5-bis(diphospho)-1D-myo-inositol tetrakisphosphate 
4,6,8-trimethyl-1-nonene 
4,6-dimethyldodecane 
4,6-dimethylundecane 
4,6-dioxoheptanoic acid  
4,8,12-trimethyltridecanoyl-CoA(4-) 
4-(1-hydroxyethyl)phenol 
4-(2-aminophenyl)-2,4-dioxobutanoate 
4-(2-aminophenyl)-2,4-dioxobutanoic acid 
4-(2-carboxyphenyl)-4-oxobutanoyl-CoA 
4-(2-hydroxy-5-methylphenylazo)acetanilide 
4-(2-nitrobutyl)morpholine 
4-(4-methylpiperazin-1-yl)-7-(trifluoromethyl)pyrrolo[1,2-a]quinoxaline dimaleate  
4-(4-nitrophenylazo)aniline 
4-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,2-dihydropyrimidin-2-one 
4-(6-chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)butyl dihydrogen phosphate 
4-(ethoxymethylene)-2-phenyloxazol-5-one  
4-(L-gamma-glutamylamino)butanoic acid 
4-(phenylazo)aniline 
4-(phosphonatooxy)-L-threonine(2-) 
4-(phosphonooxy)-L-threonine 
4-(trimethylammonio)butanoate  
4-(trimethylammonio)butanoic acid +  
4-acetamidobutanal 
4-acetamidobutanoate 
4-amino-1-(2-furylmethyl)-6-hydroxy-1,2-dihydropyrimidine-2-thione 
4-amino-1-[2,5-anhydro-4-(hydroxymethyl)-alpha-L-lyxofuranosyl]-5-methylcytosine 
4-amino-2-methyl-5-diphosphonatooxymethylpyrimidine(3-) 
4-amino-2-methyl-5-diphosphooxymethylpyrimidine 
4-amino-2-methyl-5-phosphonatooxymethylpyrimidine(2-) 
4-amino-2-methyl-5-phosphooxymethylpyrimidine 
4-amino-4-deoxychorismate(2-) 
4-amino-5-hydroxy-6-(5-methyl-2-oxo-1,2,3,4-tetrahydropyrimidin-4-yl)-2,5-dihydropyrimidin-2-one 
4-amino-5-hydroxymethyl-2-methylpyrimidine 
4-aminobenzenesulfonic acid 
4-aminobenzoate +  
4-aminobenzoic acid +   
4-aminobutanal 
4-aminobutyl alpha-L-fucopyranoside 
4-aminophenol +   
4-ammoniobutanal 
4-bromophenol 
4-CDP-2-C-methyl-D-erythritol 
4-CDP-2-C-methyl-D-erythritol 2-phosphate 
4-chlorobenzoyl group 
4-coumaroyl-CoA(4-) +  
4-diphospho-1D-myo-inositol pentakisphosphate 
4-ethylphenyl sulfate 
4-ethylphenyl sulfate(1-) 
4-formylzymosterol +  
4-fumarylacetoacetate(2-) 
4-guanidiniumylbutanamide(1+) 
4-guanidinobutanoic acid 
4-hexen-3-one +  
4-hydroxy-1-pyrroline-2-carboxylic acid +  
4-hydroxy-2-oxoglutarate(2-) +  
4-hydroxy-2-oxopentanoic acid +  
4-hydroxy-8-methoxyquinaldic acid 
4-hydroxy-L-prolinate 
4-hydroxy-L-proline zwitterion 
4-hydroxy-L-threonine 
4-hydroxybenzaldehyde 
4-hydroxybenzoate +  
4-hydroxybenzoyl-CoA(4-) 
4-hydroxymethylzymosterol +  
4-hydroxynon-2-enal +   
4-hydroxyphenyl acetate 
4-hydroxyphenylacetate 
4-hydroxyphenylacetic acid +   
4-hydroxyphenylacetyl-CoA 
4-hydroxyphenylacetylglycine 
4-hydroxyphenylpyruvic acid +  
4-hydroxyproline +  
4-isopropenyl-2-oxocyclohexane-1-carbonyl-CoA 
4-isopropyl-1-methylcyclohexane 1-hydroperoxide 
4-maleylacetoacetate 
4-mercapto-4-methylpentan-2-one 
4-methoxy-17beta-estradiol +   
4-methoxyestrone +  
4-methoxytyramine  
4-methyl-2-oxopentanoate 
4-methyl-2-oxopentanoic acid  
4-methyl-5-(2-phosphonatooxyethyl)thiazole(2-) 
4-methyl-5-(2-phosphonooxyethyl)thiazole +  
4-methylaminophenol +  
4-methylcatechol +   
4-methylpentanal  
4-methylthio-2-oxobutanoate +  
4-methylundecane 
4-nitrobenzyl bromide  
4-nitrophenol +   
4-nitrophenyl hydrogen sulfate  
4-nitrophenyl phosphate  
4-nitrosobenzenesulfonamide 
4-O-methyl-L-dopa 
4-oxobutanoate 
4-phenylbutyric acid  
4-phospho-D-erythronic acid 
4-phospho-L-aspartate 
4-phospho-L-aspartic acid +  
4-pregnen-20,21-diol-3-one 
4-pyridoxate 
4-pyridoxic acid +   
4-sulfanilamidobenzoic acid 
4-tert-butylphenol +   
4-tolyl isocyanate  
4-trimethylammoniobutanal 
4a-hydroxytetrahydrobiopterin +  
4alpha-formyl-4beta-methyl-5alpha-8-cholesten-3beta-ol 
4alpha-formyl-5alpha-cholest-8-en-3beta-ol 
4alpha-hydroxymethyl-4beta-methyl-5alpha-8-cholesten-3beta-ol 
4alpha-hydroxymethyl-4beta-methylzymosterol 
4alpha-hydroxymethyl-5alpha-cholest-8-en-3beta-ol 
4alpha-methyl-5alpha-cholest-8-en-3-one 
4alpha-methyl-5alpha-cholest-8-en-3beta-ol 
4alpha-methyl-5alpha-ergosta-8,14,24(28)-trien-3beta-ol 
4alpha-methylzymosterol +  
4beta-hydroxycholesterol  
4beta-methylzymosterol-4-carbaldehyde 
4beta-methylzymosterol-4alpha-carboxylic acid 
5',6'-diamino-1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4',5'-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
5',6'-diamino-1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-4',5'-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
5'-acetylphosphoadenosine 
5'-adenylyl sulfate +   
5'-adenylyl sulfate(2-) 
5'-deoxyadenosine 
5'-S-methyl-5'-thioadenosine  
5'-xanthylate(2-) 
5'-xanthylic acid +  
5(S),6(S)-epoxy-18(S)-hydroxy-(7E,9E,11Z,14Z,16E)-icosapentaenoic acid 
5(S)-HETE 
5(S)-HPETE 
5(S)-HPETE(1-) 
5,10-methylenetetrahydrofolate(2-) +  
5,6,7,8-tetrahydrobiopterin +   
5,6,7,8-tetrahydrofolic acid +   
5,6,7,8-tetrahydrofolyl-L-glutamic acid 
5,6,7,8-tetrahydropteridine 
5,6-bis(diphospho)-1D-myo-inositol tetrakisphosphate 
5,6-DHET 
5,6-diaminouracil 
5,6-Dihydro-5-fluorouracil 
5,6-dihydrothymine 
5,6-dihydrouracil 
5,6-dihydroxyindole 
5,6-dihydroxyindole-2-carboxylate +  
5,6-dihydroxyindole-2-carboxylic acid +   
5,6-dihydroxyuracil 
5,6-dimethyl-3-pentadecylcatechol 
5,6-dimethylbenzimidazole 
5,6-EET +   
5,6-trans-vitamin D3 
5,6beta-epoxy-5beta-cholestane 
5,7-icosanedione 
5-(2-carboxylatoethyl)-4-oxo-4,5-dihydro-1H-imidazol-5-ide 
5-(2-hydroxyethyl)-4-methylthiazole 
5-(4,5-dihydroxypentyl)uracil 
5-(4-phenoxyphenyl)-5-(4-pyrimidin-2-ylpiperazin-1-yl)pyrimidine-2,4,6(2H,3H)-trione 
5-(beta-D-glucosylmethyl)cytosine 
5-(dimethylamino)-N-(4-nitrosobenzyl)naphthalene-1-sulfonamide 
5-(hydroxymethyl)cytosine +   
5-(methylsulfanyl)-2,3-dioxopentyl phosphate(2-) 
5-(Trideuteriomethyl)-1H-pyrimidine-2,4-dione 
5-[(5-phospho-1-deoxy-D-ribulos-1-ylimino)methylamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide 
5-[(5-phospho-1-deoxy-D-ribulos-1-ylimino)methylamino]-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide(4-) 
5-[2-(2-oxoethoxy)ethoxy]-diclofenac 
5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl-(2->3)-beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl-(2->3)-beta-D-galactopyranosyl-(1->4)-[6-deoxy-alpha-L-galactopyranosyl-(1->3)]-D-glucopyranose 
5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl-(2->6)-[beta-D-galactopyranosyl-(1->3)]-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl-(2->6)-beta-D-galactopyranosyl-(1->4)-D-glucopyranose +  
5-acetamido-6-formamido-3-methyluracil  
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide(2-) +  
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylic acid 
5-amino-1-(5-phosphonato-D-ribosyl)imidazol-3-ium 
5-amino-1-(5-phosphonato-D-ribosyl)imidazole-4-carboxylate 
5-amino-2-oxopentanoic acid 
5-amino-5-(4-hydroxybenzyl)-6-(D-ribitylimino)-5,6-dihydrouracil 
5-amino-5-methyl-6-\{2-oxo-1,3-diazabicyclo[2.2.0]hex-4-en-6-yl\}-1,3-diazinane-2,4-dione 
5-amino-6-(5-phospho-beta-D-ribosylamino)uracil 
5-amino-6-(5-phospho-D-ribitylamino)uracil 
5-amino-6-(5-phosphoribitylamino)uracil(2-) 
5-amino-6-(D-ribitylamino)uracil 
5-aminoimidazole-4-carboxamide  
5-aminolevulinic acid +   
5-aminolevulinic acid hydrochloride 
5-aminopentanoic acid +  
5-benzyl-1-(2-hydroxyethoxymethyl)uracil  
5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione +   
5-carboxyamino-1-(5-phospho-D-ribosyl)imidazole 
5-carboxycytosine 
5-dehydro-D-gluconic acid 
5-diphospho-1D-myo-inositol pentakisphosphate 
5-diphospho-1D-myo-inositol pentakisphosphate(13-) 
5-dodecenoate 
5-dodecenoic acid +  
5-ethyl-1-[4-hydroxy-3-(hydroxymethyl)-2-oxolanyl]pyrimidine-2,4-dione 
5-fluoro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid 
5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide 
5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide(2-) 
5-formimidoyltetrahydrofolate(2-) 
5-formimidoyltetrahydrofolic acid 
5-formylcytosine 
5-formyltetrahydrofolic acid +   
5-formyluracil 
5-guanidino-2-oxopentanoic acid 
5-HEPE 
5-HETE +  
5-hydroperoxy-15-HETE +  
5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylic acid 
5-hydroxy-L-tryptophan 
5-hydroxy-N-formylkynurenine +  
5-hydroxybenzimidazole 
5-hydroxydiclofenac  
5-Hydroxydihydro-2,4(1H,3H)-pyrimidinedione 
5-hydroxyfuran-2-carboxylic acid 
5-hydroxyindole  
5-hydroxyisouric acid +  
5-hydroxykynurenamine +  
5-hydroxykynurenine +  
5-Hydroxymethyl-4-methyluracil 
5-hydroxymethyluracil +  
5-hydroxytryptophan +   
5-methoxytryptamine +   
5-methyl-2-furaldehyde 
5-methylcytosine +   
5-Methylcytosine hydrochloride 
5-methyldec-1-ene 
5-methyldihydrofolic acid 
5-methyltetrahydrofolic acid +   
5-methyltetrahydropteroyltri-L-glutamate(4-) 
5-O-(1-carboxylatovinyl)-3-phosphonatoshikimate 
5-O-(1-carboxyvinyl)-3-phosphoshikimic acid 
5-O-phosphonato-alpha-D-ribofuranosyl diphosphate(5-) 
5-O-phosphono-alpha-D-ribofuranosyl diphosphate 
5-oxo-ETE  
5-oxoprolinate +  
5-oxoproline +   
5-PAHSA 
5-PAHSA(1-) 
5-phospho-beta-D-ribosylamine 
5-phospho-beta-D-ribosylaminium(1-) 
5alpha-androstane +   
5alpha-androstane-3,17-dione 
5alpha-androstane-3alpha,17beta-diol +   
5alpha-androstane-3alpha-glcosyl-17beta-diol 
5alpha-androstane-3beta,17beta-diol +   
5alpha-cholest-7-en-3beta-ol +   
5alpha-cholest-8-en-3beta-ol 
5alpha-cholesta-7,24-dien-3beta-ol 
5alpha-pregnane-3,20-dione  
5beta-androstane-3,17-dione 
5beta-cholestan-3-one 
5beta-cholestane-3alpha,7alpha,12alpha,26-tetrol +  
5beta-cholestane-3alpha,7alpha,12alpha-triol 
5beta-cholestane-3alpha,7alpha,26-triol 
5beta-cholestane-3alpha,7alpha-diol 
5beta-dihydroaldosterone 
5beta-dihydrocorticosterone 
5beta-dihydrotestosterone 
5beta-pregnane-3,20-dione 
6'-amino-1,3'-bis(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5'-hydroxy-5-methyl-3,4-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
6'-amino-1,3'-bis(2-deoxy-beta-D-erythro-pentofuranosyl)-5'-hydroxy-5-methyl-3,4-dihydro[4,4'-bipyrimidine]-2,2'(1H,3'H)-dione 
6,7-dihydrobiopterin +  
6,7-dimethyl-8-(1-D-ribityl)lumazine 
6,7-dimethyl-8-(1-D-ribityl)lumazine(1-) 
6,8-icosanedione 
6-(1,3-dihydroxyisobutyl)thymine 
6-(2-amino-2-carboxyethyl)-4-hydroxybenzothiazole 
6-(3,5-dimethylbenzyl)-1-(ethoxymethyl)-5-isopropyluracil 
6-(3-hydroxypropyl)thymine 
6-(5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl)-1,3-diazabicyclo[2.2.0]hex-4-en-2-one 
6-(alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol +  
6-(alpha-D-glucosaminyl)-1D-myo-inositol 
6-(alpha-D-glucosaminyl)-O-acyl-1-phosphatidyl-1D-myo-inositol 
6-(cyclohexylamino)-3-methyl-5-nitroso-1H-pyrimidine-2,4-dione 
6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol 
6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol(1-) +  
6-[(1,2-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,3-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,4-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,5-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1-deoxy-D-ribityl)methyl]-5-[(1E)-3-oxobut-1-en-1-yl]uracil 
6-[(2-hydroxyethyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(3-hydroxypropyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(4-hydroxybutyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(5-hydroxypentyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[4-amino-4-hydroxy-2-oxo-3,4-dihydropyrimidin-1(2H)-yl]-3-[3-amino-5-(N-methylguanidino)pentanoylamino]-3,6-dihydro-2H-pyran-2-carboxylic acid 
6-[6-(2-aminoethylphosphoryl)-alpha-mannosyl-(1->6)-2-(2-aminoethylphosphoryl)-alpha-mannosyl-(1->6)-alpha-2-(2-aminoethylphosphoryl)mannosyl-(1->4)-alpha-glucosaminyl]-O-acyl-1-phosphatidyl-1D-myo-inositol +  
6-\{[(4R,5R)-4-(hydroxymethyl)thymin-5-yl]methyl\}thymine 
6-amino-1-(2-methylphenyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione 
6-amino-1-(4-chlorophenyl)-2-oxo-4-(1,2,4-triazol-1-ylmethyl)-5-pyrimidinecarbonitrile 
6-amino-2-oxohexanoic acid +  
6-amino-5-(butylamino)-1-propylpyrimidine-2,4-dione 
6-amino-5-(methylamino)-1-(phenylmethyl)pyrimidine-2,4-dione 
6-amino-5[N-methylformylamino]-1-methyluracil 
6-aminopenicillanic acid +   
6-aminouracil 
6-benzyl-1-(benzyloxymethyl)-5-isopropyluracil 
6-cyclohexylsulfanyl-1-ethoxymethyl-5-isopropyluracil 
6-deoxy-alpha-L-galactopyranosyl-(1->3)-[beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)]-D-glucopyranose 
6-diphospho-1D-myo-inositol pentakisphosphate 
6-hydroxymelatonin  
6-hydroxymethyladenine 
6-hydroxynicotinic acid 
6-lactoyl-5,6,7,8-tetrahydropterin +  
6-methyl-2-[2-[(3-methyl-2-thiophenyl)methylidene]hydrazinyl]-1H-pyrimidin-4-one 
6-methyl-5-[(1E)-3-oxobut-1-en-1-yl]uracil 
6-methyladenine 
6-methylcoumarin 
6-methyluracil 
6-O-[alpha-D-mannosyl-(1->4)-alpha-D-glucosaminyl]-O-acyl-1-phosphatidyl-1D-myo-inositol 
6-O-\{2-O-[(2-aminoethyl)phosphoryl]-alpha-D-mannosyl-(1->4)-alpha-D-glucosaminyl\}-O-acyl-1-phosphatidyl-1D-myo-inositol 
6-O-\{alpha-D-mannosyl-(1->2)-alpha-D-mannosyl-(1->6)-2-O-[(2-aminoethyl)phosphoryl]-alpha-D-mannosyl-(1->4)-alpha-D-glucosaminyl\}-O-acyl-1-phosphatidyl-1D-myo-inositol 
6-O-\{alpha-D-mannosyl-(1->6)-2-O-[(2-aminoethyl)phosphoryl]-alpha-D-mannosyl-(1->4)-alpha-D-glucosaminyl\}-O-acyl-1-phosphatidyl-1D-myo-inositol 
6-O-phosphonato-D-glucono-1,5-lactone(2-) 
6-O-phosphono-D-glucono-1,5-lactone 
6-oxoprostaglandin F1alpha  
6-phospho-2-dehydro-3-deoxy-D-galactonic acid 
6-phospho-2-dehydro-D-gluconic acid 
6-tuliposide A 
6beta-hydroxycortisol  
6beta-hydroxycortisone 
6beta-hydroxyestrone 
6beta-hydroxytestosterone +   
7,10,13,16-docosatetraenoic acid 
7,8-diaminononanoate 
7,8-dihydro-7-hydroxy-8S-glutathionylbenzo[a]pyrene 
7,8-dihydro-beta-carotene 
7,8-dihydroneopterin +  
7,8-dihydroneopterin 3'-phosphate 
7,8-dihydroneopterin 3'-phosphate(2-) 
7,8-dihydroneopterin 3'-triphosphate 
7,8-dihydroneopterin 3'-triphosphate(4-) 
7,8-dihydropteroate +  
7,9-dihydro-1H-purine-2,6,8(3H)-trione +   
7-(2-amino-2-carboxyethyl)-5-hydroxy-2H-1,4-benzothiazine-3-carboxylic acid 
7-(2-amino-2-carboxyethyl)-5-hydroxy-3,4-dihydro-2H-1,4-benzothiazin-3-one 
7-cyano-7-deazaguanine 
7-dehydrodesmosterol 
7-epi-cylindrospermopsin 
7-methyl-3-oxooct-6-enoyl-CoA 
7-methylguanine +   
7-methylxanthine 
7-oxo-5alpha-cholestan-3beta-ol 
7-oxolithocholic acid +   
7-PAHSA 
7-PAHSA(1-) 
7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate 
7-phospho-2-dehydro-3-deoxy-D-arabino-heptonic acid 
7alpha -hydroxytestosterone 
7alpha,12alpha-dihydroxy-3-oxo-5beta-cholan-24-oic acid +  
7alpha,12alpha-dihydroxy-5beta-cholestan-3-one 
7alpha,12alpha-dihydroxycholest-4-en-3-one 
7alpha,25-dihydroxy-4-cholesten-3-one 
7alpha,25-dihydroxycholesterol 
7alpha,26-dihydroxycholesterol +  
7alpha-hydroxy-3-oxo-4-cholestenoic acid 
7alpha-hydroxy-3-oxo-5beta-cholan-24-oic acid 
7alpha-hydroxy-5beta-cholestan-3-one 
7alpha-hydroxycholest-4-en-3-one  
7alpha-hydroxycholesterol  
7beta-hydroxyepiandrosterone 
8(S),15(S)-DiHETE 
8(S),15(S)-DiHPETE 
8(S)-HPETE 
8,11,14-icosatrien-5-ynoic acid 
8,9-EET +   
8-amino-7-oxononanoic acid 
8-aminooctanoic acid 
8-epi-prostaglandin E2  
8-HETE +  
8-hydroxyadenine 
8-nitroguanosine 3',5'-cyclic monophosphate 
8-oxoadenine 
8-PAHSA 
8-PAHSA(1-) 
8-phospho-3-deoxy-D-manno-oct-2-ulosonic acid 
9(S)-HPETE 
9(S)-HPODE 
9,10-epoxyoctadecanoic acid +  
9-cis-retinoyl-beta-D-glucuronide 
9-HODE +   
9-mercaptodethiobiotin 
9-PAHSA 
9-PAHSA(1-) 
9H-xanthine +   
9xi-episterol +  
[(1R,2S,4R)-4-\{[2-amino-5-(formylamino)-6-oxo-3,6-dihydropyrimidin-4-yl]amino\}-2-hydroxycyclopentyl]methyl dihydrogen phosphate 
[des-Phe(8), des-Arg(9)]-bradykinin 
[Pyr1]apelin-12(2+) 
[Pyr1]apelin-13(2+) 
A-factor 
abiraterone acetate 
Ac-Asp-Glu  
acemetacin  
acetaldehyde +   
acetate +   
acetic acid +   
acetoacetate 
acetoacetyl-[acp] 
acetoacetyl-CoA  
acetoacetyl-CoA(4-) 
acetone +   
acetyl dihydrogen phosphate 
acetyl phosphate(1-) 
acetyl-[acyl-carrier protein] 
acetyl-CoA(4-) 
acetylcholine +   
acrylate +   
acryloyl-CoA  
acryloyl-CoA(4-) 
acyl-carrier protein +  
acylglycerone phosphate +  
adefovir pivoxil  
adenine +   
adenosine +   
adenosine 2'-phosphate 
adenosine 3',5'-bismonophosphate +   
adenosine 3',5'-bismonophosphate(4-) 
adenosine 5'-monophosphate(2-) +  
adenosylcob(III)yrinic acid a,c-diamide 
adenosylcobinamide 
adenosylcobinamide guanosyl diphosphate 
adenosylcobinamide phosphate 
adenylyl selenate 
ADP +   
ADP alpha-D-glucoside 
ADP alpha-D-glucoside(2-) 
ADP(3-) +  
ADP-alpha-D-mannose 
ADP-D-glycero-D-manno-heptose +  
ADP-D-ribose +   
ADP-D-ribose 2'-phosphate 
ADP-D-ribose 2'-phosphate(4-) 
ADP-D-ribose(2-) +  
ADP-L-glycero-D-manno-heptose +  
adrenaline +   
aerobactin 
aflatoxin B1 +   
aflatoxin B1 exo-8,9-epoxide  
agmatine +   
agmatinium(2+) 
AICA ribonucleotide  
Ala-tRNA(Ala) 
aldehydo-D-arabinose 5-phosphate(2-) 
aldehydo-D-galacturonate 
aldehydo-D-xylose +  
aldehydo-L-iduronate 
aldehydo-N-acetyl-D-glucosamine 
aldehydo-N-acetyl-D-mannosamine 
aldehydo-N-acyl-D-mannosamine 6-phosphate +  
aldosterone +   
alkylphosphonate 
all-cis-5,8,11,14,17-icosapentaenoate +  
all-cis-5,8,11,14,17-icosapentaenoic acid +  
all-cis-docosa-4,7,10,13,16,19-hexaenoic acid +   
all-cis-docosa-7,10,13,16-tetraenoic acid +   
all-cis-icosa-8,11,14-trienoic acid +  
all-cis-icosa-8,11,14-trienoyl-CoA 
all-cis-octadeca-6,9,12,15-tetraenoic acid +  
all-trans-3,4-didehydroretinol +  
all-trans-4-hydroxyretinoic acid +   
all-trans-4-hydroxyretinol 
all-trans-4-oxoretinal  
all-trans-dodecaprenyl diphosphate 
all-trans-dodecaprenyl diphosphate(3-) 
all-trans-hexaprenyl diphosphate 
all-trans-octaprenyl diphosphate 
all-trans-retinal +   
all-trans-retinoate +  
all-trans-retinoic acid +   
all-trans-retinol +   
all-trans-retinyl palmitate  
allantoate 
allantoic acid 
allantoin +   
allocholic acid +  
allolactose +  
alloxan  
allyl octadecyl oxalate 
alpha,alpha-trehalose +   
alpha,alpha-trehalose 6-phosphate 
alpha,alpha-trehalose 6-phosphate(2-) 
alpha-aminobutyrate 
alpha-aminobutyric acid +  
alpha-cubebene 
alpha-D-fucose +  
alpha-D-fucoside 
alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-D-GlcNAc +  
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/16:0) 
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/18:0) 
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/20:0) 
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/22:0) 
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/22:1) 
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/23:0) 
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:0) 
alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:1(15Z)) 
alpha-D-galactose +   
alpha-D-galactose 1-phosphate  
alpha-D-galactose 1-phosphate(2-) 
alpha-D-galactosyl-(1->3)-1D-myo-inositol 
alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide +   
alpha-D-galactosyl-(1->4)-beta-D-galactosyl-N-(pentacosanoyl)sphingosine 
alpha-D-GalNAc-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer 
alpha-D-GalNAc-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer 
alpha-D-Galp-(1->3)-[alpha-L-Fucp-(1->2)]-beta-D-Galp-(1->3)-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-Glcp-(1->1')-Cer 
alpha-D-Galp-(1->3)-[alpha-L-Fucp-(1->2)]-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-Glcp-(1->1')-Cer 
alpha-D-GlcNAc-(1->4)-beta-D-GlcA-(1->4)-alpha-D-GlcNAc-(1->4)-beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl-(1->3)-L-Ser 
alpha-D-GlcNAc6S-(1->4)-D-GlcA 
alpha-D-glucosamine 1-phosphate +  
alpha-D-glucosamine 1-phosphate(1-) 
alpha-D-glucosamine 6-phosphate 
alpha-D-glucose +   
alpha-D-glucose 1,6-bisphosphate 
alpha-D-glucose 1,6-bisphosphate(4-) 
alpha-D-glucose 1-phosphate(2-) 
alpha-D-glucose 6-phosphate 
alpha-D-glucose-1,2-((13)C2) 
alpha-D-glucosyl-(1->3)-beta-D-mannose 
alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-2-alpha-D-GlcNAc(PP-Dol) 
alpha-D-mannose 1-phosphate(2-) 
alpha-D-mannosyl-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
alpha-D-ribofuranose 5-phosphate 
alpha-D-ribose 1-phosphate +  
alpha-D-ribose 1-phosphate(2-) 
alpha-Fuc-(1->2)-[alpha-Fuc-(1->2)-beta-Gal-(1->3)-alpha-GalNAc-(1->3)]-beta-Gal-(1->4)-beta-GlcNAc-(1->3)-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer 
alpha-GalNAc-(1->3)-[alpha-Fuc-(1->2)]-beta-Gal-(1->3)-alpha-GalNAc-(1->3)-[alpha-Fuc-(1->2)]-beta-Gal-(1->4)-beta-GlcNAc-(1->3)-beta-Gal-(1->4)-beta-Glc-(1->1')-Cer 
alpha-isomethylionyl acetate 
alpha-L-arabinofuranose +  
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->3)-alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer +  
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer 
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer 
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-[alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer +  
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer +  
alpha-L-fucoside +  
alpha-L-Fucp-(1->3)-[alpha-D-Manp-(1->3)-[alpha-D-Manp-(1->6)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)]-D-GlcpNAc +  
alpha-linolenate +  
alpha-linolenic acid +   
alpha-linolenoyl-CoA 
alpha-maltose 6'-phosphate 
alpha-maltotriose +  
alpha-Man-(1->2)-alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->6)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-alpha-GlcNAc(PP-Dol) 
alpha-Man-(1->2)-alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->3)-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-alpha-GlcNAc(PP-Dol) 
alpha-Man-(1->2)-alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->6)-[alpha-Man-(1->2)-alpha-Man-(1->3)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-alpha-GlcNAc(PP-Dol) 
alpha-N-acetylneuraminosyl-(2->3)-[beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine +   
alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine(1-) +  
alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl group 
alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide +  
alpha-N-dichloroacetyl-p-aminophenylserinol 
alpha-Neu5Ac-(2->3)-beta-D-Gal (1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->3)-beta-D-Gal(1->3)beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1->1')-Cer(d18:1/18:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-Neu5Ac-(2->6)]-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-Neu5Ac-(2->6)]-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-Neu5Ac-(2->6)]-beta-D-GalNAc-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/20:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/22:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/22:1) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/23:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:1(15Z)) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:2) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/18:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/22:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/16:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/18:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/20:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/21:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/22:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/22:1(13Z)) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/23:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:0) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:1(15Z)) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:2) 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-Gal-(1->3)-beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-Gal-(1->3)-beta-GalNAc-(1->4)-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-Gal-D-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
alpha-Neu5NAc-(2->8)-alpha-Neu5NAc-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-NeuNAc-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-NeuNAc-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
alpha-Neup5Ac-(2->3)-beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->4)-[alpha-Neup5Ac-(2->8)-alpha-Neup5Ac-(2->8)-alpha-Neup5Ac-(2->3)]-beta-D-Galp-(1->4)-beta-D-Glcp-(1<->1')-Cer +  
alpha-Neup5NAc-(2->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-Glcp-(1<->1')-Cer 
alpha-phenylglycine +   
alpha-pinene oxide 
alpha-putrescinylthymine 
alpha-ribazole +  
alpha-ribazole 5'-phosphate 
alpha-tocotrienol  
amifostine  
aminoacetone  
aminomalonic acid  
aminometradine 
aminopropylcadaverine 
amisometradine 
ammonia +   
ammonioacetaldehyde 
ammonioacetone 
ammonium +   
ammonium persulfate 
ammonium thioglycolate 
amodiaquine +   
amoxicillin diketopiperazine 
amoxicilloic acid 
ampiroxicam 
amrubicin +  
amylose +   
ancitabine  
androst-4-ene-3,17-dione +   
androst-5-ene-3beta,17beta-diol +   
androstane-3,17-dione +   
androsterone +   
androsterone 3-glucosiduronic acid  
androsterone sulfate 
angiotensin (1-9) 
angiotensin (1-9) dizwitterion 
angiotensin I  
angiotensin I dizwitterion 
angiotensin-(1-5) dizwitterion 
anserine 
antelmycin 
anthranilate +  
anthranilic acid +   
anthrarobin  
apelin-12 
apelin-13 
apelin-16(6+) 
apelin-17(6+) 
apo-[acyl-carrier protein] 
apoprotein +   
aquacob(III)alamin 
arabinitol +  
arachidonate +   
arachidonic acid +   
arachidonoyl-CoA(4-) 
arbutin 6-phosphate 
Arg-tRNA(Arg) 
aripiprazole lauroxil 
arsenic acid  
artemoin A 
artemoin B 
artemoin C 
artemoin D 
artemorin 
Asn-tRNA(Asn) 
Asp-tRNA(Asn) 
Asp-tRNA(Asp) 
Asp-Tyr-Met-Gly-Trp-Met-Asp-Phe-NH2 
asparagine +   
asparagoside F 
aspirin-triggered resolvin D4 
ATP(3-) 
ATP(4-) +  
azaribine  
azathioprine  
azilsartan kamedoxomil 
azilsartan medoxomil 
AZT-1152 
aztreonyl group +  
bacampicillin +  
baicalin  
balsalazide +   
bambuterol +   
bambuterol hydrochloride +  
Bandrowski's base  
barbiturates +   
barbituric acid +   
Barbituric acid, 5-ethyl-5-(2-hydroxyethyl)- 
beclomethasone dipropionate 
behenate +  
bempedoic acid 
benazepril  
benzene-1,2,4-triol  
benzo[a]pyrene +   
benzocaine  
benzothiazine +   
benzoyl-CoA +  
benzoylacetyl-CoA 
benzylamine +   
benzylpenicillenate +  
benzylpenicillenic acid +  
benzylpenicilloyl-benzylamine 
benzylpenilloaldehyde 
benzylthiouracil 
beryllium sulfate +   
beta-alanine +   
beta-aminoarteether maleate 
beta-carotene +   
beta-casochemotide-1 
beta-casomorphin-6 (human) 
beta-casomorphin-7 (human) 
beta-casomorphin-7 (human)(1-) 
beta-citrylglutamic acid 
beta-D-fructofuranose +   
beta-D-fructofuranose 1,6-bisphosphate  
beta-D-fructofuranose 2,6-bisphosphate  
beta-D-fructofuranose 2,6-bisphosphate(4-) 
beta-D-fructofuranose 6-phosphate 
beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/16:0) 
beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:0) 
beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d18:1/24:1(15Z)) 
beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +   
beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-[alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-[beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-[beta-D-GlcNAc-(1->6)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-[beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->6)]-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-[beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->6)]-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-[beta-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->6)]-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-2-acetamido-2-deoxy-beta-D-glucopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-D-glucopyranose 
beta-D-galactose +   
beta-D-galactosyl-(1->3)-N-acetyl-D-galactosaminyl group 
beta-D-galactosyl-(1->4)-beta-D-galactosyl-N-(pentacosanoyl)sphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-hexadecanoylsphinganine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-[(15Z)-tetracosenoyl]sphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-[(17Z)-hexacosenoyl]sphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-acylsphingosine +  
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-docosanoylsphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-eicosanoylsphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-hexadecanoylsphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-octadecanoylsphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-tetracosanoylsphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-tricosanoylsphingosine 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-N-(hexacosanoyl)sphingosine 
beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide +  
beta-D-galactosyl-(1<->1')-N-[(15Z)-tetracosenoyl]sphinganine 
beta-D-galactosyl-(1<->1')-N-[(17Z)-hexacosenoyl]sphinganine 
beta-D-galactosyl-(1<->1')-N-docosanoylsphinganine 
beta-D-galactosyl-(1<->1')-N-eicosanoylsphinganine 
beta-D-galactosyl-(1<->1')-N-hexacosanoylsphinganine 
beta-D-galactosyl-(1<->1')-N-hexadecanoylsphinganine 
beta-D-galactosyl-(1<->1')-N-octadecanoylsphinganine 
beta-D-galactosyl-(1<->1')-N-tetracosanoylsphinganine 
beta-D-galactosyl-1,3-(N-acetyl-beta-D-glucosaminyl-1,6)-N-acetyl-D-galactosaminyl group 
beta-D-galactosyl-N-(hexacosanoyl)sphingosine 
beta-D-galactosyl-N-(tetracosanoyl)sphingosine 
beta-D-galactosyl-N-(tricosanoyl)sphingosine 
beta-D-galactosyl-N-[(15Z)-tetracosenoyl]sphingosine 
beta-D-galactosyl-N-[(17Z)-hexacosenoyl]sphingosine 
beta-D-galactosyl-N-eicosanoylsphingosine 
beta-D-galactosyl-N-octadecanoylsphingosine 
beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(1-) +  
beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
beta-D-GalNAc-(1->4)-[alpha-Neu5Gc-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->3)-alpha-D-Galp-(1->4)-beta-D-Galp-(1->4)-beta-D-Glcp-(1<->1')-Cer +  
beta-D-Galp-(1->4)-[alpha-L-Fucp-(1->3)]-beta-D-GlcpNAc-(1->6)-\{alpha-L-Fucp-(1->4)-[alpha-L-Fucp-(1->2)-beta-D-Galp-(1->3)]-beta-D-GlcppNAc-(1->3)\}-beta-D-Gal-(1->4)-D-Glcp 
beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Galp 
beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Galp 
beta-D-Galp6S-(1->4)-beta-D-GlcpNAc6S-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Galp 
beta-D-GalpNAc4S-(1->4)-beta-D-GlcpA-(1->3)-beta-D-GalpNAc4S 
beta-D-GlcA-(1->4)-alpha-D-GlcNAc6S-(1->4)-D-GlcA 
beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Galp 
beta-D-GlcpNAc6S-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Galp 
beta-D-glucose +   
beta-D-glucose 6-phosphate 
beta-D-glucosyl-(1<->1')-N-[(15Z)-tetracosenoyl]sphinganine 
beta-D-glucosyl-(1<->1')-N-[(17Z)-hexacosenoyl]sphinganine 
beta-D-glucosyl-(1<->1')-N-docosanoylsphinganine 
beta-D-glucosyl-(1<->1')-N-eicosanoylsphinganine 
beta-D-glucosyl-(1<->1')-N-hexacosanoylsphinganine 
beta-D-glucosyl-(1<->1')-N-hexadecanoylsphinganine 
beta-D-glucosyl-(1<->1')-N-octadecanoylsphinganine 
beta-D-glucosyl-(1<->1')-N-tetracosanoylsphinganine 
beta-D-glucosyl-N-(docosanoyl)sphingosine 
beta-D-glucosyl-N-(hexacosanoyl)sphingosine 
beta-D-glucosyl-N-(tetracosanoyl)sphingosine 
beta-D-glucosyl-N-(tricosanoyl)sphingosine 
beta-D-glucosyl-N-[(15Z)-tetracosenoyl]sphingosine 
beta-D-glucosyl-N-[(17Z)-hexacosenoyl]sphingosine 
beta-D-glucosyl-N-eicosanoylsphingosine 
beta-D-glucosyl-N-hexadecanoylsphingosine 
beta-D-glucosyl-N-octadecanoylsphingosine 
beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
beta-Gal-(1->3)-beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer 
beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1->1')-Cer 
beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1->1')-Cer(d18:1/16:0) 
beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1->1')-Cer(d18:1/18:0) 
beta-L-Ara4N-lipid A (E. coli) 
beta-L-IdopA2S-(1->3)-beta-D-GalpNAc4S-(1->4)-beta-D-GlcpA-(1->3)-beta-D-GalpNAc4S 
beta-lactam antibiotic allergen +   
beta-leucine +  
betaine aldehyde 
bilirubin IXalpha  
bilirubin(2-) 
biliverdin +   
biliverdin hydrochloride 
biliverdin(2-) 
biocytin +  
biotin +   
biotin amide 
biotinate +  
biotinyl-5'-AMP 
biotinyl-5'-AMP(1-) 
biphenyl-2,2',3-triol 
bis(2-methyl-3-furyl)disulfide 
bis(2-methyl-4,5-dihydro-3-furyl) disulfide 
bis(2-methylundecan-2-yl) disulfide 
bis(beta-glucosyluronate)bilirubin 
bis(beta-glucosyluronic acid)bilirubin 
Bismark brown Y 
bitolterol +   
brassicasterol +  
Brevianamide O 
Brevianamide P 
brexanolone 
brivanib alaninate 
bromobenzene +   
but-1-ene-1,2,4-tricarboxylate 
but-3-ynal 
butan-1-ol +   
butanal +   
butane-1,4-diol +   
butane-2,3-dione  
butyl hexanoate 
butyl propionate 
butyrate +   
butyryl-CoA +   
butyryl-CoA(4-) 
C20 sphinganine +  
C20 sphingosine +  
cabozantinib malate 
cadaverine +   
caffeine +   
calcidiol +   
calciol +   
calcitetrol 
calcitriol +   
calcium(2+) +   
campesterol +  
canthaxanthin  
capecitabine  
carbamazepine-10,11-epoxide  
carbamic acid +   
carbamoyl phosphate 
carbamoyl phosphate(2-) 
carbimazole  
carbohydrate allergen +  
carbon dioxide  
carbon monoxide  
carbonic acid +   
carboxyacetyl-[acyl-carrier protein] 
cardiolipin +  
carnitine +   
carnitinium +  
carnosine +   
carvone +   
catechol beta-D-glucuronide 
catechol beta-D-glucuronide(1-) 
CDP +   
CDP(3-) +  
CDP-1-palmitoyl-2-arachidonoyl-sn-glycerol 
CDP-1-palmitoyl-2-arachidonoyl-sn-glycerol(2-) 
CDP-1-stearoyl-2-arachidonoyl-sn-glycerol 
CDP-1-stearoyl-2-arachidonoyl-sn-glycerol(2-) 
CDP-1-stearoyl-2-linoleoyl-sn-glycerol 
CDP-1-stearoyl-2-linoleoyl-sn-glycerol(2-) 
CDP-1-stearoyl-2-oleoyl-sn-glycerol 
CDP-1-stearoyl-2-oleoyl-sn-glycerol(2-) 
CDP-choline  
CDP-diacylglycerol +  
CDP-diacylglycerol(2-) +  
CDP-ethanolamine +  
CDP-ethanolamine(1-) 
cefamandole nafate 
cefditoren pivoxil 
cefotiam hexetil dihydrochloride 
cefotiam hexetil ester +  
cefpodoxime proxetil 
ceftaroline fosamil +  
ceftaroline fosamil acetate +  
ceftaroline fosamil acetate monohydrate 
ceftobiprole medocaril 
ceramide allergen +  
cerotate +  
CGP 78608 hydrochloride 
chenodeoxycholate +  
chenodeoxycholic acid +   
chenodeoxycholoyl-CoA 
chitin  
chitosan  
chloral hydrate  
chloramine T  
chloramphenicol +   
chloride +   
cholate +   
cholest-4-en-3-one +   
cholest-5-ene 
cholesta-5,7-dien-3beta,24S-diol 
cholesta-5,7-dien-3beta,25-diol 
cholesta-5,7-dien-3beta-ol +   
cholestanol 7alpha,8alpha-epoxide 
cholesterol +   
cholesterol sulfate  
cholesteryl (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate 
cholesteryl (5Z,8Z,11Z,14Z,17Z-eicosapentaenoate) 
cholesteryl (7Z,10Z,13Z,16Z,19Z)-docosapentaenoate 
cholesteryl (9Z)-heptadecenoate 
cholesteryl acetate 
cholesteryl all-cis-icosa-8,11,14-trienoate 
cholesteryl arachidonate  
cholesteryl behenate 
cholesteryl henicosenoate 
cholesteryl heptadecanoate 
cholesteryl linoleate  
cholesteryl linolenate  
cholesteryl myristate  
cholesteryl nonadecenoate 
cholesteryl oleate  
cholesteryl palmitate  
cholesteryl palmitoleate 
cholesteryl pentadecanoate 
cholesteryl stearate  
cholesteryl tetracosadienoate 
cholic acid +   
choline +   
choline alfoscerate 
choline phosphate(1-) 
choloyl-CoA(4-) 
chondroitin 4'-sulfate +  
chondroitin D-glucuronate +   
chorismate(2-) +  
chorismic acid +  
Chrysopiperazine A 
Chrysopiperazine B 
cidofovir anhydrous +   
cidofovir(2-) 
cilazapril +   
cilazapril monohydrate  
cis,cis-2-amino-3-(3-oxoprop-1-enyl)but-2-enedioate 
cis,cis-2-amino-3-(3-oxoprop-1-enyl)but-2-enedioic acid 
cis,cis-2-ammonio-3-(3-oxoprop-1-enyl)but-2-enedioate(1-) 
cis-3-chloroprop-2-en-1-ol 
cis-3-hydroxy-D-proline 
cis-4-hydroxy-D-proline 
cis-aconitate(3-) 
cis-dodec-3-enoyl-CoA(4-) 
cis-geranoyl-CoA 
cis-resveratrol 3-O-glucuronide 
citraconic acid  
citramalate(2-) +  
citramalic acid +  
citrulline +  
clorazepate monopotassium +  
clorazepic acid 
CMP-N-acetyl-beta-neuraminate(2-) +  
CMP-N-acetyl-beta-neuraminic acid  
CMP-N-glycoloyl-beta-neuraminate(2-) 
CMP-N-glycoloyl-beta-neuraminic acid 
cob(I)alamin 
cob(I)yrinic acid a,c diamide 
cob(II)alamin 
cob(III)alamin 
cobalt chloride hexahydrate 
cobalt dichloride +   
cobamamide +   
cobinamide +  
cocaine  
cocaine(1+) +  
cocamidopropyl betaine 
codeine +   
coenzyme A +   
coenzyme A(4-) +  
coenzyme Q10  
cohibin C 
cohibin D 
colibactin 
colistimethate 
colistimethate sodium 
coniferol +   
copper atom +   
coproporphyrin I 
coproporphyrin III 
coproporphyrinogen I 
coproporphyrinogen III  
coproporphyrinogen III(4-) 
corticosterone +   
cortisol +   
cortisol 21-sulfate 
cortisone +   
cotinine N-oxide 
coumarin +   
creatine +   
creatinine  
crosatoside B 
crotonoyl-CoA(4-) 
CTP +   
CTP(4-) +  
cyanate +   
cyclodopa 5-beta-D-glucoside 
cyclohexyl isocyanate  
cyclohexylamine 
cyclopropylamine +  
cyclotetradecane +   
cylindrospermopsin  
cyromazine  
Cys-tRNA(Cys) 
cysteamine +   
cysteaminium 
cystine +   
cystine zwitterion +  
cytidine +   
cytidine 5'-monophosphate +   
cytidine 5'-monophosphate(2-) +  
cytochrome c +  
cytosine +   
D-alaninate 
D-alanine +   
D-alaninium 
D-alanyl-D-alanine 
D-alanyl-D-alanine zwitterion 
D-allose 6-phosphate 
D-altronic acid 
D-arabinono-1,4-lactone 
D-arabinose +  
D-arabinose 5-phosphate +  
D-arginine +  
D-argininium(1+) +  
D-aspartate(1-) +  
D-aspartic acid +   
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate 
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate(2-) 
D-erythrose 4-phosphate  
D-erythrose 4-phosphate(2-) 
D-fructose +   
D-fructose 6-phosphate(2-) 
D-galactonate +  
D-galactono-1,4-lactone +  
D-galactopyranose +   
D-galactopyranose 1-phosphate +   
D-galactosamine +   
D-galactosamine 6-phosphate 
D-galactosamine 6-phosphate(1-) 
D-galactose +   
D-glucarate(2-) +  
D-glucitol +   
D-glucitol 6-phosphate 
D-gluconate +  
D-glucono-1,5-lactone +  
D-glucopyranose +   
D-glucopyranose 6-phosphate(2-) +  
D-glucopyranuronate +  
D-glucosamine +   
D-glucosamine 6-phosphate +   
D-glucosaminide +  
D-glucosyl-N-acylsphingosine +  
D-glucuronate +  
D-glucuronate 1-phosphate 
D-glucurono-6,3-lactone  
D-glutamic acid +  
D-glutamine +  
D-glyceraldehyde +   
D-glyceraldehyde 3-phosphate 
D-glycero-D-manno-heptose 1,7-bisphosphate +  
D-glycero-D-manno-heptose 1-phosphate 
D-glycero-D-manno-heptose 7-phosphate +  
D-histidinate(1-) 
D-histidinate(2-) 
D-histidine +  
D-histidinium(1+) +  
D-histidinium(2+) 
D-isoleucinate 
D-isoleucine +  
D-isoleucinium 
D-kynurenine 
D-leucinate 
D-leucine +  
D-leucinium 
D-mannitol +   
D-mannitol 1-phosphate 
D-mannonate 
D-mannose +   
D-mannose 1-phosphate +  
D-methioninate 
D-methioninium 
D-o-tyrosine +  
D-ornithine +  
D-ornithinium(1+) 
D-pipecolate 
D-pipecolic acid 
D-prolinate 
D-proline +  
D-prolinium +  
D-prolinol 
D-ribonic acid +  
D-ribose +   
D-ribosylnicotinate 
D-ribosylnicotinic acid +  
D-ribulose +  
D-ribulose 1,5-bisphosphate 
D-ribulose 5-phosphate 
D-ribulose 5-phosphate(2-) 
D-serine +  
D-tagatofuranose 1,6-bisphosphate(4-) 
D-tagatofuranose 6-phosphate(2-) 
D-tagatose 1,6-bisphosphate +  
D-tagaturonate 
D-tartaric acid +  
D-threitol  
D-threoninate 
D-threonine +  
D-threoninium 
D-tyrosinate(1-) 
D-tyrosinate(2-) 
D-tyrosine +  
D-tyrosinium 
D-xylono-1,4-lactone +  
D-xylulose +   
D-xylulose 5-phosphate  
D-xylulose 5-phosphate(2-) +  
dabigatran etexilate 
dabigatran etexilate methanesulfonate 
dacarbazine +   
dADP +  
dADP(3-) 
dasabuvir 
dATP 
dATP(4-) 
dCDP 
dCDP(3-) +  
dCTP +   
dCTP(3-) 
ddhCMP 
ddhGMP 
ddhGTP 
ddhUMP 
ddhUTP 
deacetyllaurenobiolide 
deamido-NAD(+) +   
debrisoquin +   
decane-1,2-diol 
decanoate +  
decanoic acid +   
decanoyl-[acyl-carrier protein] 
decanoyl-CoA +   
decanoyl-CoA(4-) +  
decaprenyl diphosphate +  
dehydro-D-arabinono-1,4-lactone(1-) 
dehydroabietic acid 
dehydroascorbic acid +   
dehydroascorbide(1-) 
dehydroepiandrosterone +   
dehydroepiandrosterone sulfate  
dehydroepiandrosterone sulfate(1-) +  
dehydroglycine 
Delta(6)-trans,Delta(8)-cis-leukotriene B4 
delta-tocotrienol  
deoxycholate +  
deoxycholoyl-CoA(4-) 
deoxycylindrospermopsin 
deoxyhemoglobin 
deoxyhypusine +  
deoxyribonucleic acid +  
desferrialbomycins +  
desmosterol +   
dethiobiotin +  
dethiobiotin(1-) 
dextilidine +  
dextromethorphan +   
dGDP(3-) 
dGTP  
dGTP(3-) 
diacylglycerol 28:2 
diacylglycerol 40:4 +  
dibenzo[a,l]pyrene  
dibenzothiazol-2-yl disulfide  
dicyclohexylmethane-4,4'-diisocyanate  
diethyl hydrogen phosphate  
diglyceride +   
dihomolinoleate 
dihomolinoleic acid +  
dihydroferulate 
dihydroferulic acid +  
dihydrofolate(2-) 
dihydrofolic acid  
dihydrogen +   
dihydrolipoamide +   
dihydrolipoate +  
dihydrolipoic acid +   
dihydrolipoylprotein 
dihydromonacolin L acid +  
dihydroxyacetone +   
dihydroxyacetone phosphate  
diisocyanate +   
diloxanide furoate 
dimethyl sulfide +  
dimethyl sulfoxide +   
dioxygen +   
diphenylmethane monoisocyanate 
diphenylmethane-4,4'-diisocyanate  
diphosphate(3-) +  
diphosphoric acid +   
dipivefrin 
dipotassium clorazepate 
dirithromycin 
disodium cytidine 5'-monophosphate 
disodium maleate 
Disperse Blue 124 
Disperse Red 1 
dITP 
dITP(4-) 
ditrans,polycis-undecaprenyl diphosphate 
docosahexaenoic acid +   
docosaprenyl diphosphate 
dodecamethylpentasiloxane 
dodecanedioate(2-) 
dodecanedioic acid +   
dodecanoate +  
dodecaprenyl diphosphate +  
dolichol +   
dolichyl beta-D-glucosyl phosphate 
dolichyl D-mannosyl phosphate +  
dolichyl diphosphate 
dolichyl phosphate +   
dolichyl phosphate(2-) 
donetidine 
dopa +   
dopamine +   
dopaminium(1+) 
doxifluridine  
doxorubicin +   
droxicam 
droxidopa 
drug allergen +   
dTDP +   
dTDP(3-) 
dTDP-4-dehydro-6-deoxy-alpha-D-glucose 
dTDP-4-dehydro-6-deoxy-alpha-D-glucose(2-) 
dTDP-4-dehydro-6-deoxy-L-mannose(2-) 
dTDP-alpha-D-glucose +  
dTDP-alpha-D-glucose(2-) +  
dTDP-beta-L-rhamnose 
dTDP-D-glucuronate 
dTDP-L-rhamnose +  
dTMP(2-) +  
dTTP +  
dTTP(3-) 
dTTP(4-) 
dUDP 
dUDP(3-) 
dUMP +   
dUMP(2-) +  
dUTP +  
dUTP(3-) 
dynorphin A-(1-12)(4+) 
dynorphin A-(1-13)(5+) 
dyspropterin +  
E. coli strain 0111 B4 lipopolysaccharide 
ecgonine +   
ecgonine methyl ester +   
ecgoninium methyl ester(1+) 
egonol beta-D-glucoside 
emivirine 
emtricitabine +   
enalapril +   
enalapril maleate 
eniluracil 
epiandrosterone +  
epiandrosterone sulfate 
epiandrosterone sulfate(1-) 
epidihydrocholesterin 
epietiocholanolone 
epimelibiose 
episterol +  
episteryl oleate 
episteryl palmitoleate 
epitestosterone +   
epyrifenacil  
ergosta-5,7,22,24(28)-tetraen-3beta-ol 
ergosta-5,7,24(28)-trien-3beta-ol 
ergosterol +   
ergosteryl 3-beta-D-glucoside 
ergosteryl oleate 
ergosteryl palmitoleate 
erucamide  
erythritol +  
erythro-4-hydroxy-L-glutamate(1-) 
erythro-4-hydroxy-L-glutamic acid 
erythro-5-hydroxy-L-lysine 
erythro-5-hydroxy-L-lysinium(1+) 
erythronate +  
erythronic acid +  
estetrol 
estra-1(10),4-diene-2,3,17-trione 
estra-1,5(10)-diene-3,4,17-trione 
estradiol +   
estriol +   
estrone +   
estrone 3-O-(beta-D-glucuronide)  
estrone 3-sulfate  
estrone 3-sulfate(1-) 
etanidazole  
ethanol +   
ethanolamine +   
ethanolaminium(1+) +  
ethionamide +   
ethirimol  
ethoxide +  
ethyl (2R)-lactate +  
ethyl (2S)-lactate +  
ethyl (5Z,8Z,11Z,14Z,17Z)-icosapentaenoate 
ethyl 2-methylbutyrate 
ethyl acetate  
ethyl cyclohexanecarboxylate 
ethyl isothiocyanate 
ethyl linolenate 
ethyl phenylglyoxylate 
ethylamine +   
ethylene glycol +   
ethylene glycol dimethacrylate  
ethylenediamine dihydrochloride 
ethylmalonic acid +   
eugenol +   
FAD  
FAD(3-) 
FADH2 +  
FADH2(2-) +  
famciclovir 
fecosterol +  
fecosteryl oleate 
fecosteryl palmitoleate 
ferredoxin +  
ferrichrome  
ferricytochrome b5 
ferricytochrome c +  
ferrienterobactin(3-) 
ferrioxamine B 
ferrocytochrome b5 
ferrocytochrome c +  
ferroheme a 
ferroheme b +   
ferroheme b(2-) 
fingolimod +  
fingolimod hydrochloride  
fluazinam  
flucytosine  
fludarabine phosphate 
fluphenazine decanoate 
fluticasone furoate +  
fMet-tRNA(fMet) 
FMN +   
FMN(3-) +  
FMNH2 +  
FMNH2(2-) 
folate(2-) 
folic acid +   
formaldehyde +   
formate +  
formyl-5-hydroxykynurenamine 
formyl-CoA 
formyl-CoA(4-) 
fosamprenavir 
fosaprepitant 
fosaprepitant dimeglumine 
foscarbidopa +  
Fosfluconazole 
fosinopril  
fosinopril sodium 
foslevodopa +  
framycetin +   
fructoselysine 6-phosphate 
fructosylglycine 
fructosyllysine 
fumarate(2-) +  
fusidic acid  
gabapentin enacarbil 
galactan +   
galactarate(1-) 
galactarate(2-) 
galactaric acid +   
galactitol +  
galactitol 1-phosphate 
galactonic acid +  
galactosylceramide sulfate +  
gamma-aminobutyrate +   
gamma-aminobutyric acid +   
gamma-CEHC beta-glucuronide 
gamma-Glu-Ala 
gamma-Glu-Ala(1-) 
gamma-Glu-Gln 
gamma-Glu-Gln(1-) 
gamma-Glu-Glu 
gamma-Glu-Glu(2-) 
gamma-Glu-Gly 
gamma-Glu-Ile 
gamma-Glu-Leu 
gamma-Glu-Met 
gamma-Glu-Met(1-) 
gamma-Glu-Tyr 
gamma-Glu-Tyr(1-) 
gamma-Glu-Val 
gamma-Glu-Val(1-) 
gamma-glutamyl-beta-aminopropiononitrile 
gamma-glutamyl-beta-cyanoalanine 
gamma-glutamyl-gamma-aminobutyraldehyde 
gamma-glutamylphenylalanine 
gamma-glutamylthreonine +  
gamma-L-glutamylputrescine 
gamma-linolenate +  
gamma-linolenic acid +   
gamma-linolenoyl-CoA 
gamma-linolenoyl-CoA(4-) 
gamma-octalactone 
GDP +   
GDP(3-) +  
GDP-4-dehydro-6-deoxy-alpha-D-mannose 
GDP-4-dehydro-6-deoxy-alpha-D-mannose(2-) 
GDP-alpha-D-mannose +  
GDP-alpha-D-mannose(2-) 
GDP-beta-L-fucose 
GDP-glucose +   
GDP-L-fucose(2-) 
GDP-mannose +  
gemcitabine +   
Gemcitabine triphosphate 
geraniol +   
geranyl diphosphate  
geranyl diphosphate(3-) 
geranyl phosphate 
ghrelin  
gibberellin A1(1-) 
gibberellin A20 +  
gibberellin A3 +   
gibberellin A5 
gibberellin A7 
gibberellin A9 +  
Gln-tRNA(Gln) 
Glu-Cys 
Glu-tRNA(Gln) 
Glu-tRNA(Glu) 
glucarate(2-) +  
glucaric acid +   
glucosyl-6beta-hydroxytestosterone 
glucosyltestosterone 
glucuronic acid +   
glucuronolactone +   
glutaconate(2-) +  
glutaconic acid +  
glutarate(1-) +  
glutarate(2-) +  
glutaric acid +   
glutaryl-CoA +   
glutaryl-CoA(5-) 
glutathionate(1-) +  
glutathione +   
glutathione disulfide  
glutathione disulfide(2-) 
glutathionylspermidine 
glutathioselenol +  
glutaurine 
Gly-Phe zwitterion 
Gly-tRNA(Gly) 
Gly-Val 
glycan G00008 
glycan G10595 
glycan G10599 
glyceraldehyde 3-phosphate +   
glyceraldehyde 3-phosphate(2-) 
glycerate +  
glycerol +   
glycerol 1-phosphate +   
glycerol 2-phosphate  
glycerone phosphate(2-) 
glyceryl monothioglycolate 
glycochenodeoxycholate +  
glycochenodeoxycholic acid +   
glycocholate +  
glycocholic acid +   
glycodeoxycholate +  
glycodeoxycholic acid +   
glycogen  
glycohyocholate 
glycohyocholic acid 
glycolaldehyde +   
glycolate +  
glycolithocholate 
glycylglycine 
glycylglycine zwitterion 
glyoxal +   
glyoxylate +  
glyoxylic acid +   
gondamide 
gondoate +  
GTP +   
GTP(3-) +  
GTP(4-) +  
guaiacyl lignin +  
guanidinoacetic acid 
guanine +   
guanosine 3',5'-bis(diphosphate) 
guanosine 3'-diphosphate 5'-triphosphate 
guanosine 3'-monophosphate 
guanosine 5'-monophosphate +   
guanosine 5'-monophosphate(2-) +  
heme a +  
heme o +  
henicosaprenyl diphosphate 
heparan sulfate  
heparan sulfate alpha-D-glucosaminide 
heparan sulfate alpha-D-glucosaminide 3-sulfate 
heparin glucosamine 3-O-sulfate 
heparosan N-sulfate L-iduronic acid 
heparosan-N-sulfate D-glucuronic acid 
heptadecanoic acid +   
heptadecaprenyl diphosphate 
heptan-2-one  
heptaprenyl diphosphate +  
heroin  
hexacosanoyl-CoA +  
hexadec-2-enoyl-CoA +  
hexadecan-1-ol +  
hexadecanal +  
hexadecanedioate(2-) 
hexadecanedioic acid +  
hexadecanoate +   
hexadecanoic acid +   
hexadecaprenyl diphosphate 
hexadecasphing-4-enine +  
hexadecasphing-4-enine-1-phosphate 
hexahydrophthalic anhydride 
hexamethylene diisocyanate  
hexan-2-ol 
hexanoate +   
hexanoic acid +   
hexanoyl-CoA +   
hexaprenyl diphosphate +  
hexyl heptanoate 
hexyl isocyanate 
His-tRNA(His) 
histamine +   
histaminium 
HMBOA beta-D-glucoside 
holo-[acyl-carrier protein] 
homocitrate(3-) 
homocysteine zwitterion 
homocystine +  
homocystine zwitterion +  
homogentisate 
homogentisic acid 
homoisocitrate(3-) +  
homoserine lactone +   
homovanillate 
homovanillic acid +   
hordenine 
human blood serum metabolite +   
human urinary metabolite +   
human xenobiotic metabolite +   
hyaluronic acid  
hydantoin-5-propionate +  
hydantoin-5-propionic acid 
hydrogen bromide +  
hydrogen chloride +   
hydrogen cyanide +   
hydrogen iodide +  
hydrogen peroxide +   
hydrogen sulfide +   
hydrogencarbonate +   
hydrogenphosphate +  
hydrogensulfite +   
hydroquinone +   
hydroquinone O-beta-D-glucopyranoside +   
hydrosulfide +  
hydroxide +  
hydroxidodioxidosulfidosulfate(1-) 
hydroxyacetone +  
hydroxycitronellal  
Hydroxypentobarbital 
hyocholate 
hyocholic acid +  
hyodeoxycholate +  
hyodeoxycholic acid +   
hypochlorous acid +   
hypotaurine +   
hypothiocyanous acid 
icosan-1-ol +  
icosanoate +  
icosanoyl-CoA +  
icosaprenyl diphosphate 
icosatetraenoic acid +   
Icotidine 
IDP(3-) 
iduronic acid +  
Ile(5)-angiotensin II  
Ile(5)-angiotensin II dizwitterion 
Ile-Ile 
Ile-tRNA(Ile) 
imidapril +   
imidazol-4-ylacetate 
imidazol-4-ylacetic acid 
imidazole-4-acetaldehyde 
iminoaspartic acid 
IMP +   
IMP(2-) +  
indol-3-ylacetaldehyde  
indole +   
indole-3-acetate 
indole-3-acetic acid +   
indole-3-carboxylic acid +   
indole-5,6-quinone 
indole-5,6-quinone-2-carboxylic acid 
indoxyl sulfate  
inosine +   
Ins-1-P-6-Man-1-6-Ins-1-P-Cer(d18:0/2-OH-26:0) 
Ins-1-P-6-Man-1-6-Ins-1-P-Cer(d18:0/26:0) +  
Ins-1-P-6-Man-1-6-Ins-1-P-Cer(t18:0/2,3-OH-26:0) 
Ins-1-P-6-Man-1-6-Ins-1-P-Cer(t18:0/26:0) 
Ins-1-P-6-Man-beta1-3-Ins-1-P-Cer(t18:0/2-OH-26:0) 
Ins-1-P-6-Man-beta1-6-Ins-1-P-Cer(d18:0/2-OH-24:0) 
Ins-1-P-6-Man-beta1-6-Ins-1-P-Cer(d18:0/24:0) 
Ins-1-P-6-Man-beta1-6-Ins-1-P-Cer(t18:0/2,3-OH-24:0) 
Ins-1-P-6-Man-beta1-6-Ins-1-P-Cer(t18:0/2-OH-24:0) 
Ins-1-P-6-Man-beta1-6-Ins-1-P-Cer(t18:0/24:0) 
Ins-1-P-Cer(d18:0/2-OH-24:0) +  
Ins-1-P-Cer(d18:0/2-OH-26:0) +  
Ins-1-P-Cer(d18:0/24:0) +  
Ins-1-P-Cer(d18:0/26:0) +  
Ins-1-P-Cer(t18:0/2,3-OH-24:0) +  
Ins-1-P-Cer(t18:0/2,3-OH-26:0) +  
Ins-1-P-Cer(t18:0/2-OH-24:0) +  
Ins-1-P-Cer(t18:0/2-OH-26:0) +  
Ins-1-P-Cer(t18:0/24:0) +  
Ins-1-P-Cer(t18:0/26:0) +  
iodide +   
iodine atom +   
irinotecan  
irinotecan hydrochloride (anhydrous) +  
irinotecan hydrochloride hydrate 
iron atom +   
iron(2+) +   
iron(3+) +   
iron(III) dicitrate(3-) 
iron(III) hydroxamate +   
isavuconazonium +  
isavuconazonium sulfate 
isethionic acid  
isoamyl acetate 
isoamylol +   
isobutanol +   
isobutyl acetate 
isobutyraldehyde +   
isobutyrate +  
isobutyric acid +   
isobutyric acid anhydride 
isobutyryl-CoA +   
isobutyryl-CoA(4-) 
isocaproic acid +   
isocitrate(3-) +  
isoeugenol +   
isoleucine +   
isolimonene 
isolithocholic acid 
isomaltose +  
isonicotinic acid +   
isooctanediol dibutyrate 
isopentenyl diphosphate  
isopentenyl diphosphate(3-) 
isopropyl dodecanoate 
isopropyl palmitate  
isopropyl unoprostone 
isoterpinolene 
isoursodeoxycholic acid 
isovaleryl-CoA 
isovaleryl-CoA(4-) +  
itaconate(2-) 
itaconic acid +  
itaconyl-CoA 
itaconyl-CoA(5-) 
ITP +  
ITP(3-) 
ITP(4-) 
ixazomib citrate 
Janoxepin 
JTE-607 dihydrochloride 
JTE-607 free base 
keto-D-fructose 1,6-bisphosphate  
keto-phenylpyruvate 
kinetensin 
kinetensin (1-8) 
kinetensin (1-8)(2+) 
kinetensin(2+) 
kisspeptin-54 
kynurenate 
kynurenic acid +   
kynurenine +   
L-2-amino-3-oxobutanoic acid 
L-2-aminoadipate(1-) 
L-2-aminoadipic acid +  
L-3-oxoalaninate 
L-3-oxoalanine +  
L-4-hydroxyglutamic semialdehyde 
L-adenosylselenomethionine 
L-alloisoleucine +  
L-allothreonine 
L-allysine +  
L-alpha-aminobutyric acid +  
L-arabinitol +  
L-arabinopyranose +  
L-arabinose +  
L-arginine +   
L-argininium(1+) +  
L-ascorbate +  
L-asparagine +   
L-aspartate(1-) +  
L-aspartic 4-semialdehyde 
L-aspartic acid +   
L-citrulline +  
L-citrulline zwitterion +  
L-cystathionine  
L-cysteate(1-) +  
L-cysteic acid 
L-cysteine +   
L-cysteine glutathione disulfide 
L-cysteine hydrochloride +  
L-cysteine hydrochloride hydrate 
L-cysteinylglycine +  
L-cysteinylglycine zwitterion 
L-cystine +   
L-cystine anion 
L-dehydroascorbic acid +   
L-dopa +  
L-dopa(1-) +  
L-dopachromate 
L-dopachrome 
L-dopaquinone 
L-erythrulose +  
L-fucopyranose +  
L-fucopyranose 1-phosphate +  
L-fucose +  
L-fuculose +  
L-galactonate +  
L-galactonic acid +  
L-gamma-Glu-L-Thr 
L-gamma-Glu-L-Thr(1-) 
L-gamma-glutamyl phosphate +  
L-gamma-glutamyl phosphate(2-) 
L-gamma-glutamyl-L-cysteinate(1-) 
L-gamma-glutamyl-L-cysteine +   
L-glucitol 
L-glutamate(1-) +   
L-glutamic 5-semialdehyde +  
L-glutamic acid +   
L-glutamine +   
L-gulonate +  
L-gulono-1,4-lactone 
L-histidinate(1-) 
L-histidinate(2-) 
L-histidine +   
L-histidinium(1+) +  
L-histidinium(2+) 
L-histidinol +  
L-histidinol phosphate 
L-histidinol phosphate(1-) 
L-histidinol(1+) 
L-homoarginine  
L-homocarnosine 
L-homocitrulline +  
L-homocitrulline zwitterion 
L-homocysteine +  
L-homocysteine thiolactone 
L-homoserine +  
L-iditol 
L-idonate +  
L-idonic acid +  
L-isoleucinate 
L-isoleucine +   
L-isoleucinium +  
L-kynureninate 
L-kynurenine +  
L-leucinate +  
L-leucine +   
L-leucinium +  
L-lysinate 
L-lysine +   
L-lysine zwitterion 
L-lysinium(1+) +  
L-lysinium(2+) +  
L-methioninate +   
L-methionine +   
L-methionine (R)-S-oxide +  
L-methionine S-oxide +  
L-methioninium +  
L-o-tyrosine +  
L-ornithinate +  
L-ornithine +   
L-ornithinium(2+) 
L-phenylalaninate +  
L-phenylalanine +   
L-phenylalaninium +  
L-pipecolate 
L-pipecolic acid +  
L-prolinate +  
L-proline +   
L-prolinium +   
L-rhamnulose +  
L-rhamnulose 1-phosphate 
L-ribulose +  
L-ribulose 5-phosphate 
L-saccharopinate(1-) 
L-saccharopine 
L-selenocysteine +   
L-serine +   
L-sorbose +  
L-threonate 
L-threonic acid +  
L-threoninate 
L-threonine +   
L-threoninium +  
L-thyroxine +  
L-tryptophan +   
L-tryptophanamide +  
L-valine +   
L-xylonate 
L-xylulose +  
L-xylulose 5-phosphate 
lactaldehyde +  
lactate +   
lactose +   
lactose 6'-phosphate 
lamivudine  
lanost-8-ene-3beta,30-diol  
lanosterol +   
lanosteryl oleate 
lanosteryl palmitoleate 
latanoprost  
laurenobiolide +  
lauroyl-CoA +   
lauroyl-CoA(4-) +  
leflunomide  
lefradafiban 
lenampicillin 
Leu-enkephalin  
Leu-Leu 
Leu-tRNA(Leu) 
leucine +   
leucomethylene blue 
leukotriene A4 +   
leukotriene A4(1-) 
leukotriene B4 +   
leukotriene B4(1-) 
leukotriene C3 
leukotriene C4 +   
leukotriene C4(2-) 
leukotriene D3 
leukotriene D4  
leukotriene E4(1-) 
leukotriene F4 
levoglucosan +  
levomethorphan +  
limonene +   
linalool 6-hydroperoxide 
linalool 7-hydroperoxide 
linalool hydroperoxide +  
linoleamide  
linoleoyl-CoA 
lipid A (E. coli) +  
lipid II 
lipid X 
lipoamide +   
lipoate +  
lipoprotein +   
lipoxin A4 +   
lipoxin B4 +  
lipoyl-AMP +  
lipoyl-AMP(1-) +  
lipoylprotein 
lissamine fast yellow 
lissamine fast yellow (acid form) 
lithocholate +  
lithocholic acid +   
lithocholyl-CoA 
litreol  
LL-2,6-diaminopimelic acid +  
loracarbef anion 
lovastatin +   
loxoprofen +   
LSM-2826 
LSM-31955 
lucanthone +   
lugdunin 
Lys-tRNA(Lys) 
lysine +   
lysophosphatidylcholine +   
lysophosphatidylcholine 20:2 +  
lysophosphatidylcholine 20:5 +  
lysophosphatidylcholine 22:4 +  
lysophosphatidylcholine(0:0/16:0) +  
lysophosphatidylcholine(0:0/16:1) +  
lysophosphatidylcholine(0:0/18:0) +  
lysophosphatidylcholine(0:0/18:2) +  
lysophosphatidylcholine(0:0/20:4) +  
lysophosphatidylcholine(0:0/20:5) 
lysophosphatidylcholine(16:1/0:0) +  
lysophosphatidylcholine(18:0/0:0) 
lysophosphatidylcholine(18:2/0:0) +  
lysophosphatidylcholine(20:4/0:0) +  
lysophosphatidylethanolamine 16:0 +  
lysophosphatidylethanolamine 18:2 +  
m-tyraminium 
maleamic acid 
maleic acid +   
maleic anhydride 
malonate(2-) +  
malonic acid +   
malonyl-CoA  
malonyl-CoA(5-) 
maltohexaose 
maltose +   
maltotetraose 
Man-1-6-Ins-1-P-Cer(d18:0/2-OH-26:0) +  
Man-1-6-Ins-1-P-Cer(d18:0/26:0) +  
Man-1-6-Ins-1-P-Cer(t18:0/2,3-OH-26:0) +  
Man-1-6-Ins-1-P-Cer(t18:0/2-OH-26:0) 
Man-1-6-Ins-1-P-Cer(t18:0/26:0) +  
Man-beta1-6-Ins-1-P-Cer(d18:0/2-OH-24:0) +  
Man-beta1-6-Ins-1-P-Cer(d18:0/24:0) +  
Man-beta1-6-Ins-1-P-Cer(t18:0/2,3-OH-24:0) +  
Man-beta1-6-Ins-1-P-Cer(t18:0/2-OH-24:0) +  
Man-beta1-6-Ins-1-P-Cer(t18:0/24:0) +  
manganese atom +   
mannan +  
mannarate(2-) +  
mannaric acid +  
mannitol +   
mannonic acid +  
mannose-(1D-myo-inositol 1-phosphate)2 
mannose-1D-myo-inositol 1-phosphate 
melatonin +   
melibiitol 
melibiose +   
menaquinol +  
menaquinone +   
menaquinone-4 +   
menaquinone-7  
menaquinone-8 
menaquinone-9 +  
mercury(2+) 
mesaconate(2-) 
mesaconic acid +  
mesaconyl-CoA 
meso-2,6-diaminopimelic acid +  
meso-2,6-diaminopimelic acid dizwitterion 
mestranol  
Met-enkephalin 
Met-tRNA(Met) 
metal allergen +   
metal cation allergen +   
metamizole 
metamizole sodium  
methacrylyl-CoA  
methanesulfonic acid +   
methanethiol +   
methanol +   
methionine +   
methionine S-oxide +  
methoxide 
methyl 3-phenylpropanoate 
methyl 5-aminolevulinate +  
methyl 5-aminolevulinate hydrochloride 
methyl cyclohexanecarboxylate 
methyl group 
methyl icosapentaenoate 
methyl isocyanate +   
methyl methacrylate  
methyl phenylglyoxalate 
methyl propenyl ketone +  
methylamine +   
methylammonium +  
methylcobalamin  
methylcyclohexane 
methylcyclopentane 
methylene group 
methylglyoxal +   
methylhexahydrophthalic anhydride 
methylmalonate(1-) 
methylmalonate(2-) 
methylmalonic acid +   
methylmalonyl-CoA +  
methylprednisolone suleptanate 
methylsuccinic acid 
methyltetrahydrophthalic anhydride 
Methylthiouracil  
methylthymine +  
metronidazole +   
metronidazole benzoate 
metronidazole hydrochloride 
mevalonic acid +   
midodrine  
minocycline +   
ML-210 
MMP-9-IN-1 
Mo-molybdopterin cofactor +  
molnupiravir 
molybdate +   
mono(glucosyluronic acid)bilirubin(2-) 
monoacylglycerol 14:0 +  
monoacylglycerol 16:0 +   
monoacylglycerol 16:1 +  
monoacylglycerol 18:0 +  
monoacylglycerol 18:1 +   
monoacylglycerol 18:2 +  
monoacylglycerol 18:3 +  
monoacylglycerol 20:5 +  
monoacylglycerol phosphate +   
monobenzone  
monodehydro-L-ascorbate(1-) 
monodehydro-L-ascorbic acid 
murideoxycholate 
murideoxycholic acid 
mycophenolate mofetil  
myo-inositol +   
myo-inositol 1,3,4,5,6-pentakisphosphate 
myo-inositol 1,3,4,5,6-pentakisphosphate(10-) 
myo-inositol 1,3,4,6-tetrakisphosphate 
myo-inositol 1,3,4,6-tetrakisphosphate(8-) 
myo-inositol 1,3-bisphosphate 
myo-inositol hexakisphosphate  
myo-inositol hexakisphosphate(12-) 
myristamide 
myristoyl-[acyl-carrier protein] 
myristoyl-CoA +   
myristoyl-CoA(4-) +  
myrophine +  
Myxofacycline E 
Myxofacycline F 
N(1),N(12)-diacetylsperminium(2+) 
N(1)-(5-phospho-D-ribosyl)glycinamide 
N(1)-(5-phospho-D-ribosyl)glycinamide(1-) +  
N(1)-acetylspermidine 
N(1)-acetylspermidinium(2+) 
N(1)-acetylspermine 
N(1)-acetylsperminium(3+) 
N(1)-isopropyl-2-methylpropan-1,2-diamine 
N(2),N(2)-dimethylguanosine 
N(2)-acetyl-L-lysine 
N(2)-acetyl-L-lysine zwitterion 
N(2)-acetyl-L-ornithine 
N(2)-acetyl-L-ornithine zwitterion 
N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide(2-) +  
N(2)-methylguanine 
N(2)-phenylacetyl-L-glutaminate 
N(2)-phenylacetyl-L-glutamine 
N(2)-succinyl-L-arginine 
N(2)-succinyl-L-glutamic acid 
N(2)-succinyl-L-ornithine 
N(4)-[alpha-L-fucosyl-(1->3)-N-acetyl-4-O-glycosyl-D-glucosaminyl]-L-asparagine residue 
N(4)-\{beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc\}-Asn residue 
N(4)-\{beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc\}-Asn residue 
N(4)-\{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-[alpha-L-fucosyl-(1->6)]-N-acetyl-beta-D-glucosaminyl\}-L-asparagine 
N(4)-acetylcytosine 
N(4)-methylcytosine 
N(5)-[(Z)-amino(hydroxyimino)methyl]ornithine +  
N(6),N(6),N(6)-trimethyl-L-lysine +  
N(6)-(1,2-dicarboxylatoethyl)-AMP(4-) 
N(6)-acetyl-L-lysine +  
N(8)-acetylspermidine 
N(8)-acetylspermidinium(2+) 
N(alpha)-acetyl-L-arginine +  
N(alpha)-methyl-L-tryptophan 
N(pros)-methyl-L-histidine +  
N(tele)-methyl-L-histidine +  
N(tele)-methylhistamine  
N(tele)-methylhistaminium 
N,N'-diacetylchitobiose +  
N,N'-diacetylchitobiosyldiphosphodolichol 
N,N'-dibutylthiourea 
N,N'-diethylthiourea 
N,N'-diformyldityrosine 
N,N'-diphenylthiourea  
N,N-dimethylacetamide  
N,N-dimethylethanolamine phosphate 
N,N-dimethylglycine  
N,S-isopropylidene-D-penicillamine 
N-(11Z-icosenoyl)-sphingosine-1-phosphocholine 
N-(15Z)-tetracosenoylsphingosine 
N-(15Z-tetracosenoyl)ethanolamine 
N-(17Z-hexacosenoyl)-sphingosine-1-phosphocholine 
N-(17Z-hexacosenoyl)sphingosine 
N-(2,3-dihydroxybenzoyl)-L-serine 
N-(2,3-dihydroxyhexacosanoyl)-(4R)-hydroxysphinganine +  
N-(2-furoyl)glycinate 
N-(2-furoyl)glycine 
N-(2-hydroxyhexacosanoyl)sphinganine +  
N-(2-hydroxyhexacosanyl)-(4R)-phytosphingosine 
N-(2-hydroxytetracosanoyl)phytosphingosine +  
N-(2-hydroxytetracosanoyl)sphinganine +  
N-(2-methylbutanoyl)glycine 
N-(5-phosphonato-beta-D-ribosyl)anthranilate 
N-(9Z-hexadecenoyl)sphingosine-1-phosphocholine 
N-(\{4-[(1R)-4-[(2R,4S,5S)-2,4-diamino-6-oxohexahydropyrimidin-5-yl]-1-(2,2,2-trifluoro-1,1-dihydroxyethyl)butyl]phenyl\}carbonyl)-L-glutamic acid 
N-(\{4-[(1S)-4-(2,4-diamino-6-hydroxypyrimidin-5-yl)-1-(2,2,2-trifluoro-1,1-dihydroxyethyl)butyl]phenyl\}carbonyl)-L-gamma-glutamyl-gamma-glutamyl-gamma-glutamyl-gamma-glutamylglutamic acid 
N-(\{4-[(1S)-4-(2,4-diamino-6-hydroxypyrimidin-5-yl)-1-(2,2,2-trifluoro-1,1-dihydroxyethyl)butyl]phenyl\}carbonyl)-L-gamma-glutamyl-gamma-glutamylglutamic acid 
N-(hexadecanoyl)-beta-D-galactosylsphingosine 
N-(p-hydroxyphenyl)glycine 
N-2-hydroxypalmitoylsphingosine 
N-[(11Z)-octadecenoyl]sphinganine-1-phosphocholine 
N-[(13Z)-docosenoyl]sphing-4-enine-1-phosphocholine 
N-[(13Z)-docosenoyl]sphingosine 
N-[(15Z)-tetracosenoyl]sphing-4-enine-1-phosphocholine 
N-[(15Z)-tetracosenoyl]sphinganine 
N-[(15Z)-tetracosenoyl]sphingosine 1-phosphate 
N-[(17Z)-hexacosenoyl]sphinganine 
N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]-2-[2-(3,4-dichlorophenyl)-5-[(1-methylethyl)amino]-6-oxopyrimidin-1(6H)-yl]acetamide 
N-[(4-\{[3-(2,4-diamino-6-oxo-1,6-dihydropyrimidin-5-yl)propyl](2-[(4-phosphonooxybutyl)carbamoylmethylsulfanyl]acetyl)amino\}phenyl)carbonyl]-L-glutamic acid 
N-[(4-chlorophenyl)methyl]-2-(2,4-dioxo-1H-pyrimidin-6-yl)acetamide 
N-[(9-beta-D-ribofuranosylpurin-6-yl)carbamoyl]threonate 
N-[(9-beta-D-ribofuranosylpurin-6-yl)carbamoyl]threonine 
N-[(9Z)-hexadecenoyl]glycine 
N-[(9Z)-octadecenoyl]sphinganine 
N-[(E)-4-ammoniobutylidene]propane-1,3-diaminium 
N-[(R)-4-phosphonatopantothenoyl]-L-cysteinate(3-) 
N-[(R)-4-phosphopantothenoyl]-L-cysteine 
N-[(R)-pantothenoyl]-L-cysteinate 
N-[(R)-pantothenoyl]-L-cysteine +  
N-[(S)-lactoyl]-L-phenylalanine 
N-[12(S)-hydroperoxy-(5Z,8Z,10E,14Z)-icosatetraenoyl]taurine 
N-[15(S)-hydroperoxy-(5Z,8Z,11Z,13E)-icosatetraenoyl]taurine 
N-\{alpha-Glc-(1->2)-alpha-Glc-(1->3)-alpha-Glc-(1->3)-alpha-Man-(1->2)-alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->6)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-beta-GlcNAc\} group 
N-\{alpha-Glc-(1->3)-alpha-Glc-(1->3)-alpha-Man-(1->2)-alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->6)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-beta-GlcNAc\}-L-Asn residue 
N-\{alpha-Glc-(1->3)-alpha-Man-(1->2)-alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->6)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-beta-GlcNAc\}-L-Asn residue 
N-\{alpha-Man-(1->3)-[alpha-Man-(1->3)-[alpha-Man-(1->6)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-beta-GlcNac\}-L-Asn residue 
N-acetyl-alpha-D-galactosamine 1-phosphate 
N-acetyl-alpha-D-galactosaminyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide +  
N-acetyl-alpha-D-glucosamine 1-phosphate 
N-acetyl-alpha-D-muramoyl-L-alanine 
N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosylceramide 
N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose +  
N-acetyl-beta-D-galactosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide +  
N-acetyl-beta-D-galactosaminyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide +  
N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide(d18:1(4E)) +  
N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide +  
N-acetyl-beta-D-glucosaminyl-(1->3)-N-acetyl-D-galactosaminyl group +  
N-acetyl-beta-D-glucosaminyl-1,6-(N-acetyl-beta-D-glucosaminyl-1,3)-N-acetyl-D-galactosaminyl group 
N-acetyl-D-galactosamine +  
N-acetyl-D-galactosamine 1-phosphate +  
N-acetyl-D-glucosamine 6-phosphate +  
N-acetyl-D-glucosamine 6-phosphate(2-) +  
N-acetyl-D-glucosaminide +  
N-acetyl-D-glucosaminyl-1-diphospho-ditrans,polycis-undecaprenol +  
N-acetyl-D-glucosaminyldiphosphodolichol 
N-acetyl-D-mannosamine 6-phosphate(2-) 
N-acetyl-L-2-aminoadipic acid 
N-acetyl-L-alanine +  
N-acetyl-L-aspartate(2-) +  
N-acetyl-L-aspartic acid +   
N-acetyl-L-cysteinate +  
N-acetyl-L-cysteine +   
N-acetyl-L-gamma-glutamyl phosphate 
N-acetyl-L-gamma-glutamyl phosphate(3-) 
N-acetyl-L-glutamate(2-) +  
N-acetyl-L-glutamic acid 
N-acetyl-L-glutamine 
N-acetyl-L-isoleucinate 
N-acetyl-L-serine +  
N-acetylcadaverine 
N-acetylgalactosamine +  
N-acetylglycinate +   
N-acetylglycine +  
N-acetylhistamine 
N-acetylisoleucine +  
N-acetylmuramic acid 6-phosphate +  
N-acetylneuraminate +  
N-acetylneuraminic acid +   
N-acetylneuraminic acid 9-phosphate 
N-acetylneuraminlactose sulfate 
N-acetylneuraminyl-(2->8)-N-acetylneuraminyl-(2->8)-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine +  
N-acetylputrescine 
N-acetylputrescinium 
N-acetylserotonin  
N-acyl-beta-D-galactosylsphingosine +  
N-acyl-D-mannosamine +  
N-acylphytosphingosine +   
N-acylsphinganine +   
N-acylsphingosine +   
N-acylsphingosine 1-phosphate +  
N-acylsphingosine 1-phosphate(2-) +  
N-acylsphingosine 1-phosphoethanolamine +  
N-allyl-1-phenyl-2,3,4,5-tetrahydro-3-benzazepine-7,8-diol hydrobromide 
N-allyl-6-chloro-1-(3-methylphenyl)-2,3,4,5-tetrahydro-3-benzazepine-7,8-diol hydrobromide 
N-arachidonoyl-2-oxoserotonin 
N-arachidonoylglycinate 
N-arachidonoylserotonin 
N-arachidonoyltaurine 
N-benzoylglycinate 
n-butyl isocyanate 
n-butyl oleate 
N-butylformamide 
N-carbamoyl-beta-alaninate 
N-carbamoyl-beta-alanine 
N-carbamoyl-L-aspartate(2-) 
N-carbamoylaspartic acid +  
N-carbamoylglutamic acid 
N-cyclohexyl-N-ethyl-1,3-dimethyl-2,4-dioxo-5-pyrimidinesulfonamide 
N-cyclohexylformamide 
N-cyclopropylammelide 
N-docosanoylsphinganine +  
N-docosanoylsphingosine 
N-docosanoylsphingosine-1-phosphocholine 
N-docosanoyltaurine 
N-dodecanoyltaurine 
N-eicosanoylsphinganine +  
N-formimidoyl-L-glutamate(2-) +  
N-formyl-L-aspartic acid 
N-formyl-L-glutamic acid 
N-formyl-L-kynurenine +  
N-formyl-L-tyrosine 
N-formylanthranilate 
N-glycoloylneuraminate +  
N-heneicosanoylsphingosine-1-phosphocholine 
N-henicosanoylsphinganine-1-phosphocholine 
N-heptadecanoylsphinganine-1-phosphocholine 
N-heptadecanoylsphingosine-1-phosphocholine 
N-hexacosadienoylsphingosine-1-phosphocholine 
N-hexacosahexaenoylsphingosine 
N-hexacosanoylphytosphingosine +  
N-hexacosanoylsphinganine +  
N-hexacosanoylsphinganine-1-phosphocholine 
N-hexacosanoylsphingosine 
N-hexacosanoylsphingosine-1-phosphocholine 
N-hexadecanoyl-O-(1-octadecanoyl-2-oleoyl-sn-glycero-3-phospho)-L-serine 
N-hexadecanoylglycine +  
N-hexadecanoylsphinganine +  
N-hexadecanoylsphinganine-1-phosphocholine 
N-hexadecanoylsphingosine-1-phosphocholine 
N-hexadecanoyltaurine 
N-hydroxy-PhIP  
N-icosanoylsphingosine 
N-icosanoyltaurine 
N-isopropyl-N'-phenyl-p-phenylenediamine  
N-lignoceroylsphingosine-1-phosphocholine 
N-methyl-4-pyridone-3-carboxamide +  
N-methyl-6-chloro-1-(3-methylphenyl)-2,3,4,5-tetrahydro-3-benzazepine-7,8-diol hydrobromide 
N-methyl-6-pyridone-3-carboxamide +   
N-methylbutan-2-amine 
N-methylethanolaminium phosphate(1-) 
N-methylnorsalsolinol 
N-methylphenylethanolamine 
N-methylphenylethanolaminium 
N-methylproline 
N-methylproline zwitterion 
N-methylputrescine 
N-methylputrescinium(2+) 
N-methylquipazine dimaleate 
N-methylserotonin 
N-methyltyramine +   
N-methyltyraminium 
N-myristoylsphingosine-1-phosphocholine 
N-nonadecanoylsphingosine-1-phosphocholine 
N-octadecanoylglycine 
N-octadecanoylsphingosine 
N-octodecanoylsphinganine +  
N-oleoyl-L-serine 
N-oleoylsphinganine-1-phosphocholine 
N-oleoylsphingosine +  
N-oleoylsphingosine-1-phosphocholine 
N-oleoylthreonine 
N-pentadecanoylsphingosine-1-phosphocholine 
N-phenylglycine 
N-phosphocreatinate(2-) 
N-phosphocreatine  
N-propylbenzamide 
N-ribosylnicotinamide  
N-stearoylsphingosine-1-phosphocholine 
N-stearoyltaurine 
N-succinyl-L-glutamic 5-semialdehyde 
N-succinyl-LL-2,6-diaminopimelic acid 
N-tetracosadienoylsphingosine-1-phosphocholine 
N-tetracosanoylphytosphingosine +  
N-tetracosanoylsphinganine +  
N-tetracosanoylsphinganine-1-phosphocholine 
N-tetracosanoylsphingosine 
N-tetracosanoyltaurine 
N-tetradecanoyltaurine 
N-tetradecenoylsphingosine-1-phosphocholine 
N-tricosanoylsphing-4-enine-1-phosphocholine 
N-tricosanoylsphinganine-1-phosphocholine 
N-tricosanoylsphingosine 
N-tricosenoylsphing-4-enine-1-phosphocholine 
N-tridecanoylsphingosine-1-phosphocholine 
nabumetone  
NAD(+)  
NAD(1-) +  
NADH(2-) +  
NADP(3-) 
NADPH(4-) +  
nandrolone +   
naphthalene +   
naphthalene-1,2-diol +   
naproxcinod 
nelarabine 
neocasomorphin 
neomycin sulfate 
nepafenac 
neurotensin  
neurotensin (1-12) 
neurotensin (1-12)(1+) 
neurotensin (1-7) 
neurotensin (1-8) 
neurotensin(1+) 
nickel sulfate +   
nicotinamide +   
nicotinate +   
nicotinate D-ribonucleotide(2-) 
nicotinic acid +   
nicotinic acid D-ribonucleotide +  
nifedipine  
ninhydrin  
nitric oxide  
nitrite +   
nitroglycerin  
nitrososulfadiazine 
nitrososulfamethoxazole  
nitrososulfapyridine 
nitrosulindac 
NMN zwitterion  
NMN(-) 
nociceptin  
nonadecaprenyl diphosphate 
nonanal +   
nonanoic acid +   
nonaprenyl 4-hydroxybenzoate 
nonaprenyl diphosphate +  
nordazepam  
norlaudanosoline +   
norsalsolinol +  
novobiocin  
nucleoside 5'-diphosphate +   
nucleoside 5'-triphoshate +   
O(4')-sulfo-L-tyrosinate(1-) 
O(4')-sulfo-L-tyrosine 
O(4)-methylthymine 
O(4)-phospho-L-tyrosine +  
O,O-diethyl hydrogen thiophosphate 
O-(2-tetradecenoyl)carnitine 
O-(3-hydroxyvaleryl)-L-carnitine 
O-(dimethylnonenoyl)carnitine 
O-[(2E)-hexenedioyl]carnitine 
O-[(3R,11Z,14Z)-3-hydroxyicosadienoyl]carnitine 
O-[(5Z)-tetradecenoyl]-L-carnitine 
O-[(7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl]carnitine 
O-acetyl-L-carnitine  
O-acetyl-L-homoserine 
O-acetyl-L-serine +  
O-acetylcarnitine +   
O-acetyltropine 
O-butanoylcarnitine +   
O-decanoyl-L-carnitine +  
O-dodecanoylcarnitine +  
O-formylcefamandole 
O-glutaroyl-L-carnitine +  
O-heptadecanoylcarnitine 
O-hexanoyl-L-carnitine +  
O-hexanoylcarnitine +  
O-isobutyryl-L-carnitine 
O-isobutyrylcarnitine +  
O-isovalerylcarnitine +  
O-linoleyl-L-carnitine 
O-octadecadiendioylcarnitine 
O-octadecanoyl-L-carnitine 
O-octanoyl-L-carnitine +  
O-octenedioylcarnitine 
O-oleoylcarnitine 
O-palmitoyl-L-carnitine 
O-phospho-L-homoserine 
O-phospho-L-serine +  
O-phospho-L-threonine +  
O-phosphoethanolamine +  
O-phosphonato-L-homoserine(2-) 
O-phosphonato-L-serine(2-) +  
O-phosphonatoethanaminium(1-) 
O-phosphonatooxy-D-serine(2-) 
O-phosphoserine +  
O-propanoylcarnitine +  
O-stearoylcarnitine 
O-succinyl-L-homoserinate(1-) 
O-succinyl-L-homoserine 
O-succinylcarnitine 
O-tetradecanoyl-L-carnitine +  
O-tiglylcarnitine +  
o-tyrosine 
O-undecenoylcarnitine 
obtusifoliol 
octadecadienoate +  
octadecan-1-ol +   
octadecanoate +  
octadecanoic acid +   
octadecaprenyl diphosphate 
octan-3-ol 
octanoate +  
octanoic acid +   
octanoyl-[acyl-carrier protein] 
octanoyl-CoA +  
octanoyl-CoA(4-) +  
octaprenyl diphosphate +  
octulose 8-phosphate 
oleamide  
oleate +  
oleic acid +   
oleoyl-CoA  
oleoyl-CoA(4-) 
oleyl acetate 
olsalazine  
olsalazine sodium 
omega-3 fatty acid +   
omega-hydroxymenaquinone-4 
omeprazole +   
Ophthalmate 
ophthalmic acid 
ornithine +   
ornithinium(1+) +  
orotate +  
orotic acid +   
orotidine 5'-phosphate 
orotidine 5'-phosphate(3-) 
oseltamivir +   
oxalate(1-) +  
oxalate(2-) +   
oxalic acid +   
oxaloacetate(2-) 
oxaluric acid 
oxalyl-CoA 
oxamic acid +   
Oxepinamide A 
Oxepinamide B 
Oxepinamide C 
Oxepinamide D 
Oxepinamide H 
Oxepinamide I 
Oxepinamide J 
Oxepinamide K 
oxidized adrenodoxin 
oxidized ferredoxin +  
oxidopamine  
oxirane +   
oxmetidine 
P(1),P(3)-bis(5'-adenosyl) triphosphate 
P(1),P(4)-bis(5'-adenosyl) tetraphosphate  
P(1),P(4)-bis(5'-adenosyl) tetraphosphate(4-) 
P(1),P(4)-bis(5'-guanosyl) tetraphosphate  
P(1),P(4)-bis(5'-guanosyl) tetraphosphate(4-) 
P(1),P(4)-bis(5'-xanthosyl) tetraphosphate 
P(1),P(4)-bis(uridin-5'-yl) tetraphosphate 
P(1),P(5)-bis(5'-adenosyl) pentaphosphate  
P(1)-(5'-adenosyl),P(4)-(5'-guanosyl) tetraphosphate 
p-aminodiphenylamine +   
p-aminohippuric acid  
p-cresol +   
p-cresol sulfate 
p-cresol sulfate(1-) 
p-Glu-Arg-Pro-Arg-Leu-Ser-His-Lys-Gly-Pro-Met-Pro-Phe 
p-menthan-1-ol 
p-tolyl beta-D-glucuronide 
p-tolyl beta-D-glucuronide(1-) 
PABA/NO 
paclitaxel +   
palmitoleamide 
palmitoleate +  
palmitoleic acid +   
palmitoleoyl-CoA(4-) +  
palmitoyl-[acyl-carrier protein] 
palmitoyl-CoA +   
palmitoyl-CoA(4-) 
pantetheine 
pantetheine 4'-phosphate(2-) +  
parabanic acid +  
paraoxon  
parathion +   
parecoxib  
pasireotide aspartate 
patent blue V 
pectin +  
pelargonidin 3-O-sophoroside 
penamecillin 
penicillin +   
penicillin allergen +   
penicilloyl group allergen +  
pentadecan-2-ol 
pentadecanoic acid +  
pentadecaprenyl diphosphate 
pentan-1-ol +   
pentan-3-amine 
pentaprenyl diphosphate +  
peptide allergen +  
peptide YY 
perillic acid +   
perillyl aldehyde  
perillyl-coenzyme A 
peroxynitrite 
PF-07304814 
Phe-tRNA(Phe) 
phenanthrene +   
phenanthrene-3,4-diol +  
phenethyl acetate 
Phenobarbital-d5 
phenol +   
phenoxyacetic acid +   
phenyl isocyanate  
phenyl isothiocyanate 
phenyl phosphate 
phenylacetaldehyde +   
phenylacetate +  
phenylacetic acid +   
phenylacetyl-CoA +  
phenylacetyl-CoA(4-) +  
phenylacetylglycine +   
phenylacetylglycine(1-) 
phenylalanine +   
phenylethanolamine +  
phenylethanolaminium 
phosphate ion +   
phosphatidate(2-) +  
phosphatidic acid +   
phosphatidic acid 18:3 
phosphatidyl-L-serine +  
phosphatidyl-N,N-dimethylethanolamine +  
phosphatidyl-N-methylethanolamine +  
phosphatidylcholine (16:0/20:5) 
phosphatidylcholine 10:0 
phosphatidylcholine 12:0 +  
phosphatidylcholine 13:0 +  
phosphatidylcholine 15:0 
phosphatidylcholine 15:1 
phosphatidylcholine 16:2 
phosphatidylcholine 18:0 
phosphatidylcholine 18:2 
phosphatidylcholine 18:3 
phosphatidylcholine 25:0 
phosphatidylcholine 29:1 +  
phosphatidylcholine 35:3 +  
phosphatidylcholine 35:4 +  
phosphatidylcholine 36:4 +   
phosphatidylcholine 42:7 
phosphatidylcholine O-13:0 
phosphatidylethanolamine 18:0 zwitterion 
phosphatidylethanolamine 18:1 zwitterion 
phosphatidylethanolamine 18:2 zwitterion 
phosphatidylethanolamine 19:1 
phosphatidylethanolamine 20:3 zwitterion 
phosphatidylethanolamine 20:4 zwitterion 
phosphatidylethanolamine 21:0 zwitterion 
phosphatidylethanolamine 22:4 zwitterion 
phosphatidylethanolamine 35:1 +  
phosphatidylethanolamine 36:2 +  
phosphatidylethanolamine 36:3 +  
phosphatidylethanolamine 37:2 +  
phosphatidylethanolamine 38:3 +  
phosphatidylethanolamine 38:4 +  
phosphatidylethanolamine O-16:0 zwitterion 
phosphatidylethanolamine P-16:0 
phosphatidylglycerol +   
phosphatidylglycerol(1-) +  
phosphatidylinositol 22:2(1-) 
phosphatidylserine 18:0 
phosphatidylserine 40:1 
phosphatidylserine 40:2 
phosphatidylserine 42:1 
phosphatidylserine(18:1/22:1) 
phosphocholine +   
phosphoenolpyruvate  
phosphonoacetaldehyde 
phosphoric acid +   
phthalic anhydride +   
phthalyl group 
phylloquinone  
phytanate +  
phytanoyl-CoA(4-) 
phytosphingosine +   
phytosphingosine 1-phosphate +  
picolinic acid +   
pimelate(1-) 
pimelic acid +  
pimeloyl-CoA(5-) 
pinocarveol +  
pinocarvone 
pipecolate +  
piperidine +   
pivampicillin 
pivmecillinam +  
poly(N-acetyllactosamine)  
polysulfur  
porphobilinogen  
porphobilinogen(1-) 
potassium atom +   
potassium dichromate  
potassium(1+) +   
prasugrel 
precorrin-2 +  
precorrin-2(7-) 
precursor Z hydrate 
prednisolone phosphate 
prednisolone sodium phosphate 
prednisone +   
pregnenolone +   
pregnenolone sulfate  
prenyl diphosphate  
prenyl diphosphate(3-) 
prenyl-FMNH2 
prephenate(2-) +  
prephenic acid +  
presqualene diphosphate 
presqualene diphosphate(3-) 
preuroporphyrinogen 
preuroporphyrinogen(8-) 
previtamin D3 
primidone  
primin 
pristanal 
pristanic acid +  
pristanoyl-CoA +  
Pro-Hyp 
Pro-Hyp zwitterion 
Pro-tRNA(Pro) 
procollagen 5-hydroxy-L-lysine 
progesterone +   
proglumetacin +  
proINDY 
proline +   
prop-2-yn-1-ol +   
prop-2-ynal 
propanal +   
propane-1,2-diol +   
propanoyl phosphate 
propanoyl-AMP 
propionate +   
propionyl-CoA +   
propionyl-CoA(4-) +  
propyl butyrate 
propyl decanoate 
propyl propionate 
prostaglandin A1(1-) +  
prostaglandin A2 +   
prostaglandin B1  
prostaglandin B2 
prostaglandin C1(1-) 
prostaglandin C2 
prostaglandin D1 
prostaglandin D1(1-) 
prostaglandin D2 +   
prostaglandin D2 1-glyceryl ester 
prostaglandin D2(1-) 
prostaglandin D3  
prostaglandin E1 +   
prostaglandin E1(1-) +  
prostaglandin E2 +   
prostaglandin E2 1-glyceryl ester 
prostaglandin E2 2-glyceryl ester 
prostaglandin E2(1-) +  
prostaglandin E3  
prostaglandin F1alpha +   
prostaglandin F2alpha +   
prostaglandin F2alpha 1-glyceryl ester 
prostaglandin F2alpha 2-glyceryl ester 
prostaglandin F2alpha(1-) 
prostaglandin F2beta 
prostaglandin G1 
prostaglandin G1(1-) +  
prostaglandin G2 +   
prostaglandin G2 2-glyceryl ester 
prostaglandin H2 +   
prostaglandin H2 2-glyceryl ester 
prostaglandin H2(1-) 
prostaglandin H3 
prostaglandin I2 +   
prostaglandin I2 2-glyceryl ester 
prostaglandin I2(1-) +  
prostaglandin J2 +   
protein disulfide +  
protein dithiol +  
protirelin 
protoporphyrin +   
protoporphyrinate 
protoporphyrinogen  
protoporphyrinogen(2-) 
Protuboxepin C 
Protuboxepin D 
Protuboxepin F 
Protuboxepin G 
pseudotropine +  
pseudouridine 5'-phosphate(2-) 
psilocybin 
psilocybin(1-) 
psychosine +  
psychosine sulfate 
psychosine(1+) 
Pyranamide A 
Pyranamide B 
Pyranamide C 
Pyranamide D 
pyrazine 
pyrazinecarboxamide +   
pyridine-2,5-diol 
pyridine-2-thiol 
pyridoxal +   
pyridoxal 5'-phosphate +   
pyridoxal 5'-phosphate(2-) 
pyridoxal hydrochloride 
pyridoxamine +   
pyridoxamine 5'-phosphate 
pyridoxamine 5'-phosphate(1-) 
pyridoxamine dihydrochloride 
pyridoxamine hydrochloride 
pyridoxaminium(1+) +  
pyridoxine +   
pyridoxine 5'-phosphate 
pyridoxine 5'-phosphate(2-) 
pyrimidine  
pyrimidine 2'-deoxyribonucleoside 5'-phosphate(2-) +  
pyrimidine-2-thiol 
pyroglutamylglutaminate 
pyroglutamylglutamine 
quaternium-15 
queuine +  
quinaldate 
quinaldic acid 
quinapril 
quinolinate(1-) +  
quinolinate(2-) 
quinoline-4,6-diol 
quinoline-4,8-diol 
quinolinic acid  
rac-1-monolinoleoylglycerol 
raffinose +   
raltegravir 
ramipril  
raphanusamic acid 
reduced adrenodoxin 
reduced ferredoxin +  
remdesivir  
resolvin D5 
resolvin T1 
resolvin T2 
resolvin T3 
resolvin T4 
resorcinol monobenzoate 
retinal +   
retinoic acid +   
retinol +   
ribitol +   
riboflavin +   
riboflavin(1-) +  
ribothymidine +  
rifampicin +   
rilpivirine hydrochloride +  
roducitabine 
rolitetracycline 
rubitecan  
S(6)-acetyldihydrolipoamide +  
S(8)-(2-methylbutanoyl)dihydrolipoamide 
S(8)-(2-methylpropanoyl)dihydrolipoamide 
S(8)-(3-methylbutanoyl)dihydrolipoamide 
S(8)-aminomethyldihydrolipoamide 
S(8)-aminomethyldihydrolipoylprotein 
S(8)-glutaryldihydrolipoamide 
S(8)-succinyldihydrolipoamide 
S-(2-succinyl)-L-cysteine 
S-(3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl)-4'-phosphopantetheine 
S-(5-deoxy-beta-D-ribos-5-yl)-L-homocysteine 
S-(chloromethyl)glutathione 
S-(hydroxymethyl)glutathione  
S-(hydroxymethyl)glutathione(1-) 
S-3100-CA +   
S-adenosyl-4-methylthio-2-oxobutanoate 
S-adenosyl-4-methylthio-2-oxobutanoic acid 
S-adenosyl-L-methioninate  
S-adenosyl-L-methionine +   
S-adenosyl-S-carboxymethyl-L-homocysteine 
S-adenosylmethioninamine 
S-adenosylmethioninaminium 
S-butyryl-4'-phosphopantetheine 
S-choloyl-4'-phosphopantetheine 
S-decanoyl-4'-phosphopantetheine 
S-dodecanoyl-4'-phosphopantetheine 
S-formylglutathionate(1-) 
S-formylglutathione 
S-hexadecanoyl-4'-phosphopantetheine 
S-hexanoyl-4'-phosphopantetheine 
S-methyl-5-thio-alpha-D-ribose 1-phosphate 
S-methyl-5-thio-alpha-D-ribose 1-phosphate(2-) 
S-methyl-5-thio-D-ribulose 1-phosphate(2-) 
S-methyl-L-methionine 
S-octanoyl-4'-phosphopantetheine 
S-sulfo-L-cysteine 
S-tetradecanoyl-4'-phosphopantetheine 
SAICAR  
SAICAR(4-) 
salicin +   
salsalate  
sapacitabine 
sapropterin +   
sarcosinate 
sarcosine +  
sarcosinium 
SB 224289 hydrochloride 
scyllo-inositol +   
Se-methylselenocysteine +   
sebacate(2-) 
sebacic acid +   
Secopyranamide C 
sedoheptulose 1,7-bisphosphate  
sedoheptulose 1,7-bisphosphate(4-) 
sedoheptulose 7-phosphate 
sedoheptulose 7-phosphate(2-) 
selane +  
selenate +   
selenide +   
selenocysteine +   
selenodiglutathione 
selenophosphate 
selexipag 
Sem-tRNA(Met) 
Ser-tRNA(Ser) 
serotonin +   
serotonin(1+) 
shikimate +  
shikimic acid +   
silver(0)  
simvastatin  
siroheme 
siroheme(8-) 
sirohydrochlorin +  
sirohydrochlorin(8-) 
sitosterol +  
skatole  
sn-glycerol 3-phosphate 
sn-glycerol 3-phosphate(2-) 
sodium 3-hydroxybutyrate 
sodium ascorbate 
sodium atom +   
sodium aurothiomalate  
sodium aurothiosulfate  
sodium dehydroepiandrosterone sulfate 
sodium glycochenodeoxycholate 
sodium glycodeoxycholate 
sodium glyoxylate 
sodium hexanoate 
sodium hydrogensulfite  
sodium orotate 
sodium phenylbutyrate 
sodium(1+) +   
sofosbuvir +   
somatostatin-28 
soyasaponin III 
Sparoxomycin A1 
Sparoxomycin A2 
spermidine(3+) +  
spermine(4+) +  
sphinga-4E,14Z-dienine +  
sphinga-4E,8E-dienine +  
sphingadienine-1-phosphate 
sphinganine +   
sphinganine 1-phosphate  
sphinganine 1-phosphate(1-) 
sphinganine(1+) +  
sphingomyelin d18:1(1+) 
sphingosine +   
sphingosine 1-phosphate  
sphingosine 1-phosphate(1-) 
sphingosine(1+) +  
spirapril  
SQ 26,992 
squalene +   
squaric acid dibutyl ester 
stachyose +   
starch  
stearoyl-CoA  
stearoyl-CoA(4-) 
Streptcytosine H 
styrene +   
suberic acid +   
succinate(2-) +  
succinic semialdehyde +   
succinyl-CoA  
succinyl-CoA(5-) 
sucrose +   
sucrose 6(F)-phosphate 
sucrose 6(G)-phosphate 
sulbactam pivoxil 
sulfamethoxazole hydroxylamine  
sulfanegen 
sulfapyridine hydroxylamine 
sulfate +   
sulfoacetic acid +  
sulfoglycolithocholate(2-) 
sulfur dioxide  
sulfurothioic S-acid 
sulindac +   
superoxide  
suxibuzone  
SW-163E 
syringal lignin 
tachysterol 3 
tagatose 6-phosphate +  
talampicillin +  
talose +  
taurine +   
tauro-beta-muricholate 
tauro-beta-muricholic acid  
taurochenodeoxycholate +  
taurochenodeoxycholic acid +   
taurocholate +   
taurocholic acid  
taurodeoxycholate 
taurodeoxycholic acid +   
taurolithocholate 
taurolithocholic acid +   
taurolithocholic acid sulfate  
taurolithocholic acid sulfate(2-) 
tauroursocholate 
tauroursocholic acid 
tauroursodeoxycholic acid  
Taylorflavin A 
tazarotene  
tedizolid phosphate 
Temelastine 
temozolomide  
tenofovir alafenamide 
tenofovir alafenamide fumarate +  
tenofovir disoproxil +   
tenofovir disoproxil fumarate  
testosterone +   
testosterone 17-glucosiduronic acid  
testosterone acetate 
tetrachlorophthalic anhydride 
tetracosanoate +  
tetracosanoic acid +   
tetracosanoyl-CoA 
tetracycline +   
tetradecan-2-ol 
tetradecanedioate(2-) 
tetradecanedioic acid +  
tetradecanoate +  
tetradecanoic acid +   
tetradecaprenyl diphosphate +  
tetragastrin 
tetrahydrofolyl-poly(glutamic acid) macromolecule +  
tetrahydropteroyltri-L-glutamate(4-) 
tetratetracontane 
theobromine  
thiamine(1+) +   
thiamine(1+) diphosphate(1-) 
thiamine(1+) monophosphate +  
thiamine(1+) monophosphate(2-) 
thiamine(1+) triphosphate 
thiamine(1+) triphosphate(4-) 
Thiamylal sodium 
thiocyanate +   
thiocyanic acid +   
thioredoxin disulfide 
thioredoxin dithiol 
thiosulfate(2-) +   
Thr-tRNA(Thr) 
threonine +   
thromboxane A2 +   
thromboxane A2(1-) +  
thromboxane B2 +   
thromboxane B3 
thymidine +   
Thymidine-3',5'-cyclic monophosphate sodium salt 
thymine +   
tiazofurine  
tilidine 
tipiracil 
tiratricol  
tixocortol pivalate 
tolbutamide  
toluene 2,4-diisocyanate  
toluene 2,6-diisocyanate  
toluene meta-diisocyanate +   
trandolapril  
trans-1,2-dithiane-4,5-diol +  
trans-13-docosenamide 
trans-2-decenoic acid +  
trans-2-hexacosenoyl-CoA 
trans-2-octadecenoyl-CoA 
trans-3-chloroprop-2-en-1-ol 
trans-3-methylglutaconyl-CoA 
trans-3-methylglutaconyl-CoA(5-) 
trans-4-carboxybut-2-enoyl-CoA 
trans-4-coumaric acid +  
trans-4-hydroxy-L-proline +  
trans-caffeate +  
trans-caffeic acid +   
trans-dec-2-enoyl-CoA 
trans-dec-2-enoyl-CoA(4-) 
trans-dodec-2-enoyl-CoA 
trans-dodec-2-enoyl-CoA(4-) 
trans-hex-2-enoyl-CoA 
trans-oct-2-enoyl-CoA 
trans-tetradec-2-enoyl-CoA 
trans-tetradec-2-enoyl-CoA(4-) 
trans-urocanate 
trans-urocanic acid  
trans-vaccenate(1-) 
travoprost 
triacylglycerol 50:6 +  
triacylglycerol 60:14 +  
triacylglycerol 62:15 +  
tributyrin  
trichloro(docosyl)silane 
trichloroacetaldehyde +   
trichloroacetic acid +   
trichloroepoxyethane 
trichloroethene  
tricosanoic acid +  
tridecan-1-ol 
tridecanal 
tridecaprenyl diphosphate +  
tridodecylamine 
triethylene glycol monomethyl ether 
triforine  
trimellitic anhydride  
trimethylamine +   
trimethylamine N-oxide  
trimethylenediamine +   
trimethylenediaminium 
triphosphate(5-) +  
tRNA(Ala) +  
tRNA(Arg) +  
tRNA(Asn) +  
tRNA(Asp) +  
tRNA(Cys) +  
tRNA(Gln) +  
tRNA(Glu) +  
tRNA(Gly) +  
tRNA(His) +  
tRNA(Ile) +  
tRNA(Leu) +  
tRNA(Lys) +  
tRNA(Met) +  
tRNA(Phe) +  
tRNA(Pro) +  
tRNA(Ser) +  
tRNA(Thr) +  
tRNA(Trp) +  
tRNA(Tyr) +  
tRNA(Val) +  
tropine +   
Trp-tRNA(Trp) 
tryptamine +   
tryptaminium +  
tryptophan +   
tryptophol +   
tulipinolide 
turanose 
tylosin  
Tyr-Met 
Tyr-tRNA(Tyr) 
tyramine +   
tyraminium 
tyrosine +   
ubiquinol +  
ubiquinol-6 
ubiquinone-0  
ubiquinone-6 
ubiquinone-9  
ubiquinones +   
UDP +   
UDP(3-) 
UDP-2,3-bis(3-hydroxytetradecanoyl)-D-glucosamine 
UDP-4-amino-4-deoxy-beta-L-arabinopyranose +  
UDP-4-deoxy-4-formamido-beta-L-arabinopyranose 
UDP-alpha-D-galactose  
UDP-alpha-D-galacturonic acid 
UDP-alpha-D-glucuronate(3-) 
UDP-alpha-D-glucuronic acid +   
UDP-alpha-D-xylose(2-) 
UDP-beta-L-threo-pentopyranos-4-ulose 
UDP-D-galactose +   
UDP-D-galactose(2-) +  
UDP-D-glucose(2-) 
UDP-N-acetyl-alpha-D-galactosamine  
UDP-N-acetyl-alpha-D-glucosamine  
UDP-N-acetyl-alpha-D-glucosamine(2-) 
UDP-N-acetyl-D-galactosamine(2-) +  
UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine 
umbelliferone sulfate +   
umbelliferone sulfate(1-) 
undecanoate 
undecanoic acid +   
undecaprenyl diphosphate +  
undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-D-gamma-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine 
undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-D-isoglutaminyl-L-lysyl-D-alanyl-D-alanine 
uracil +   
A common and naturally occurring pyrimidine nucleobase in which the pyrimidine ring is substituted with two oxo groups at positions 2 and 4. Found in RNA, it base pairs with adenine and replaces thymine during DNA transcription.
uracil octosyl acid 5'-phosphate 
Uracil-(2-13C) 
urate anion +  
urea +   
urea-1-carboxylate 
ureidoglycolic acid +  
uric acid +   
uridine +   
uridine 5'-monophosphate +   
uridine 5'-monophosphate(2-) +  
uridine triacetate 
urobilinogen 
urocanate +  
urocanic acid +   
uroporphyrin I 
uroporphyrin III 
uroporphyrinogen I 
uroporphyrinogen III 
uroporphyrinogen III(8-) 
ursodeoxycholate 
ursodeoxycholic acid +   
UTP +   
UTP(4-) +  
Val-tRNA(Val) 
valganciclovir 
valine +   
vanillylmandelate 
vanillylmandelic acid  
varespladib methyl  
Varioloid B 
Versicomide D 
vinyl benzoate 
vitamin K +   
vitamin K epoxide  
water +   
WHWLQLKPGQPMY 
xanthosine  
XDP 
ximelagatran  
XTP +  
xylitol +   
YIIKGLFWDPAC +  
YIIKGVFWDPAC +  
zinc(2+) +   
zofenopril 
zofenopril calcium 
zymosterol +   
zymosterol intermediate 1c 
zymosterol intermediate 2 
zymosteryl oleate 
zymosteryl palmitoleate 
(5R)-6-hydroxy-5-[4-(2-hydroxyethyl)piperidin-1-yl]-5-phenyluracil 
(\{[(1R,2R)-2-(uracil-1-yl)cyclopentyl]oxy\}methyl)phosphonic acid 
(Z)-2-methylureidoacrylic acid 
1,3-dimethyluracil 
1,5-dimethyluracil 
1-(3-O-phosphono-beta-D-arabinofuranosyl)uracil 
1-(ethoxymethyl)-5-isopropyl-6-(phenylsulfanyl)uracil 
1-[3-(4-carboxypiperidin-1-yl)-3-deoxy-beta-D-arabinofuranosyl]pyrimidine-2,4(1H,3H)-dione 
1-methyluracil 
2'-deoxyuridine +  
3,5-dimethyluracil 
3-(5-bromouracil-1-yl)-L-alanine 
3-(5-fluorouracil-1-yl)-L-alanine  
3-(5-iodouracil-1-yl)-L-alanine 
3-(uracil-1-yl)-L-alanine 
3-methyluracil 
4-[(1E,7E)-8-(2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-3,6-dioxa-2,7-diazaocta-1,7-dien-1-yl]benzoic acid 
5,6-dihydrouracil 
5,6-dihydroxyuracil 
5-(4,5-dihydroxypentyl)uracil 
5-[3-(benzyloxy)benzyl]-6-hydroxy-1-[(2-hydroxyethoxy)methyl]pyrimidine-2,4(1H,3H)-dione 
5-acetamido-6-formamido-3-methyluracil  
5-benzyl-1-(2-hydroxyethoxymethyl)uracil  
5-benzyloxybenzylacyclouridine 
5-bromouracil 
5-carboxy-2'-deoxyuridine 
5-chloro-6-\{[(2Z)-2-iminopyrrolidin-1-yl]methyl\}uracil 
5-chlorouracil  
5-diazouracil 
5-fluorouracil  
5-hydroxymethyluracil +  
5-hydroxyuracil 
5-iodouracil 
5-nitrouracil 
6-(3,5-dimethylbenzyl)-1-(ethoxymethyl)-5-isopropyluracil 
6-[(1,2-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,3-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,4-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1,5-dideoxy-D-ribityl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(1-deoxy-D-ribityl)methyl]-5-[(1E)-3-oxobut-1-en-1-yl]uracil 
6-[(2-hydroxyethyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(3-hydroxypropyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(4-hydroxybutyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-[(5-hydroxypentyl)amino]-5-[(E)-(2-oxopropylidene)amino]uracil 
6-benzyl-1-(benzyloxymethyl)-5-isopropyluracil 
6-cyclohexylsulfanyl-1-ethoxymethyl-5-isopropyluracil 
6-methyl-5-[(1E)-3-oxobut-1-en-1-yl]uracil 
6-methyluracil 
6-propyl-2-thiouracil +   
aminouracil +  
butafenacil  
dasabuvir 
emivirine 
orotate +  
orotic acid +   
saflufenacil 
thiouracil  
tipiracil 
uracil-1-yl group 
uracil-5-carboxylic acid 
uracil-6-ylacetic acid 
uridine +   
uridines +   

Synonyms
Exact Synonyms: pyrimidine-2,4(1H,3H)-dione
Related Synonyms: 2,4(1H,3H)-pyrimidinedione ;   2,4-Pyrimidinedione ;   2,4-dioxopyrimidine ;   Formula=C4H4N2O2 ;   InChI=1S/C4H4N2O2/c7-3-1-2-5-4(8)6-3/h1-2H,(H2,5,6,7,8) ;   InChIKey=ISAKRJDGNUQOIC-UHFFFAOYSA-N ;   SMILES=O=c1cc[nH]c(=O)[nH]1 ;   U ;   Ura ;   Urazil
Alternate IDs: CHEBI:15288 ;   CHEBI:27210 ;   CHEBI:46375 ;   CHEBI:9882
Xrefs: Beilstein:606623 ;   CAS:66-22-8 ;   DrugBank:DB03419 ;   Gmelin:2896 ;   HMDB:HMDB0000300 ;   KEGG:C00106 ;   KEGG:D00027 ;   KNApSAcK:C00001513
Xref Mesh: MESH:D014498
Xrefs: MetaCyc:URACIL ;   PDBeChem:URA ;   PMID:11279060 ;   PMID:12855717 ;   PMID:15274295 ;   PMID:16834123 ;   PMID:17439666 ;   PMID:18533995 ;   PMID:18815805 ;   PMID:19175333 ;   PMID:22020693 ;   PMID:22074393 ;   PMID:22120518 ;   PMID:22171528 ;   PMID:22237209 ;   PMID:22299724 ;   PMID:22356544 ;   PMID:22447672 ;   PMID:22483865 ;   PMID:22567906 ;   PMID:22685418 ;   PMID:3654008 ;   Reaxys:606623 ;   Wikipedia:Uracil
Cyclic Relationships: is_tautomer_of CHEBI:43254

paths to the root