Submit Data |  Help |  Video Tutorials |  News |  Publications |  FTP Download |  REST API |  Citing RGD |  Contact   

Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
((13)C)carbon dioxide 
((13)C)urea 
(+)-DCA-CL 
(+)-pisiferal 
(-)-(7R,8S,7''S,8''R)-3,3'',5,5'-tetramethoxy-4''-hydroxy-4',7-epoxy-8',9'-dinor-4,8''-oxy-8,3'-sesquineolignan-7'',9,9''-triol-7'-al 
(-)-DCA-CL 
(-)-ephedrine  
(-)-secologanin 
(-)-ureidoglycolic acid 
(1->3)-beta-D-glucan +   
(1->4)-beta-D-mannan 
(1->6)-beta-D-glucan 
(1-naphthyl)methanol 
(11R)-dihydroartemisinic aldehyde 
(12S)-hydroperoxy-(14R,15S)-epoxy-(5Z,8Z,10E)-icosatrienoic acid 
(12S)-hydroperoxy-(14S,15R)-epoxy-(5Z,8Z,10E)-icosatrienoic acid 
(1R,2S)-naphthalene 1,2-oxide 
(1R,2S,3S,4S)-4-formyl-2-methoxy-3-[(2E)-6-methylhept-2-en-2-yl]cyclohexyl (2E)-3-(4-methoxyphenyl)acrylate 
(1R,2S,5S,6S)-2-(3-carboxypropanoyl)-5-[(1-carboxyvinyl)oxy]-6-hydroxycyclohex-3-ene-1-carboxylic acid 
(1S)-1-hydroxy-23-oxo-24,25,26,27-tetranorcalciol 
(1s,4s)-prephenate(2-) 
(1S,7S)-7-amino-7-benzyl-8-oxohexahydro-1H-pyrazolo[1,2-a]pyridazine-1-carbaldehyde 
(1S,7S)-7-amino-7-methyl-8-oxohexahydro-1H-pyrazolo[1,2-a]pyridazine-1-carbaldehyde 
(2-amino-4-hydroxy-7,8-dihydropteridin-6-yl)methyl diphosphate(3-) 
(2-aminoethyl)phosphonic acid +  
(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)-28-hydroxylupen-30-al-3-one 
(20R,22R)-20,22-dihydroxycholesterol 
(20S)-17,20-dihydroxypregn-4-en-3-one 
(20S)-20-hydroxypregn-4-en-3-one  
(24Z),26-hydroxydesmosterol 
(25R)-cholest-5-ene-3beta,26-diol +   
(2E)-2-ethyl-2-butenal 
(2E)-2-ethylidene-4-hydroxy-5-methyl-3(2H)-furanone 
(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)-3-isopropylmalate(2-) 
(2S)-2-hydroxy-2-methyl-3-oxobutanoic acid 
(2S)-2-isopropyl-3-oxosuccinate(2-) 
(2S)-5,7-dimethoxy-8-formylflavanone 
(2S)-6-formyl-8-methyl-7-O-methylpinocembrin 
(2S)-8-formyl-5-hydroxy-7-methoxy-6-methylflavanone 
(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,6S)-2,6-diaminopimelic acid dizwitterion 
(3-sulfonatophenyl)azo group 
(3R)-3-isopropenyl-6-oxoheptanoyl-CoA 
(3S)-3-hydroxy-3-methylglutaryl-CoA 
(3S)-3-isopropenyl-6-oxoheptanoyl-CoA 
(3S,4R)-3,4-dihydrophenanthrene-3,4-diol 
(3Z,6Z)-dodecadienoyl-CoA 
(4-chloro-2-methylphenoxy)acetic acid  
(4-hydroxy-3-methoxyphenyl)acetaldehyde 
(4-hydroxyphenyl)acetaldehyde 
(4-sulfonatophenyl)azo group 
(4E,7E,10E,13E,16E)-docosapentaenoylcarnitine 
(4E,7E,10E,13E,16E,19E)-docosahexaenoylcarnitine 
(4R)-limonene 1-hydroperoxide 
(4R)-limonene 2-hydroperoxide 
(4S)-4-(5,5-dimethylcyclohex-1-en-1-yl)cyclohex-1-ene-1-carbaldehyde 
(4S)-N-(2,3-dihydroxytetracosanoyl)-4-hydroxysphinganine +  
(4S,5S)-4,5-dihydroxy-2,6-dioxohexanoic acid 
(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)-docosapentaenoyl-CoA 
(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)acetic acid  
(5-oxo-2-sulfo-2,5-dihydrofuran-2-yl)acetic acid 
(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)-hydroperoxy-(14R,15S)-epoxy-(6E,8Z,11Z)-icosatrienoic acid 
(5S,6S)-dihydroxy-(7E,9E,11Z,14Z)-icosatetraenoic acid 
(5Z,11Z,14Z)-8,9-dihydroxyicosatrienoic 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 +  
(6R)-5,10-methenyltetrahydrofolate +  
(6R)-5,10-methenyltetrahydrofolic acid 
(6R)-5,10-methylenetetrahydrofolic acid +  
(6S)-5-formyltetrahydrofolate(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 
(7R)-6-deoxy-D-manno-oct-7-ulosuronic acid 
(7Z,10Z,13R,14E,16Z,19Z)-13-hydroxydocosapentaenoate 
(7Z,10Z,13R,14E,16Z,19Z)-13-hydroxydocosapentaenoic acid 
(8R,9S)-EET 
(8S)-hydroperoxy-(14S,15R)-epoxy-(5Z,9E,11Z)-icosatrienoic acid 
(8Z,11Z)-urushiol III 
(9Z)-hexadecenoic acid +   
(aminomethyl)phosphonic acid +   
(E)-2-((N-methylformamido)methylene) succinate 
(E)-4-oxonon-2-en-1-ol 
(E)-hexadec-2-enoyl-CoA 
(E)-roxithromycin  
(hydroxymethyl)silanetriol 
(KDO)-lipid IVA 
(KDO)2-(lauroyl)-lipid IVA 
(Kdo)2-lipid A (E. coli) +  
(KDO)2-lipid IVA 
(methylidyneammoniumyl)selanide 
(methylsulfanyl)acetaldehyde +  
(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)-3-hydroxy-2-oxo-4-phosphonooxybutanoic acid 
(R)-3-hydroxybutanoyl-CoA 
(R)-4'-phosphopantothenic acid 
(R)-4-dehydropantoic acid 
(R)-5-diphosphomevalonic acid 
(R)-5-diphosphonatomevalonate(4-) 
(R)-5-phosphomevalonic acid 
(R)-5-phosphonatomevalonate(3-) 
(R)-acetoin  
(R)-adrenaline +   
(R)-carnitine +   
(R)-lactaldehyde 
(R)-lactate +  
(R)-lactic acid +   
(R)-methylmalonyl-CoA 
(R)-mevalonate 
(R)-noradrenaline  
(R)-pantoate 
(R)-pantolactone 
(R)-pantothenate 
(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-methylbutanoyl-CoA 
(S)-3'-hydroxy-N-methylcoclaurine 
(S)-3-hydroxybutanoyl-CoA 
(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)-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)-N-methylcoclaurine 
(S)-propane-1,2-diol +  
(trichloromethyl)benzene  
(trifluoromethyl)benzene +   
(Z)-but-2-ene-1,2,3-tricarboxylic acid 
(Z)-icos-13-enoic acid 
1,1-dichloro-2-(4-chloro-2,3-dihydroxyphenyl)-2-(4-chlorophenyl)ethylene 
1,1-dichloroethene  
1,1-dimethylhydrazine 
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-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-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-dimethylhydrazine  
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-glycerol 
1,2-dipalmitoleoyl-sn-glycero-3-phosphocholine 
1,2-dipalmitoyl-sn-glycerol 
1,2-distearoyl-sn-glycero-3-phosphoserine 
1,2-ditetradecanoyl-3-(6-sulfoquinovopyranosyl)glycerol 
1,2-palmitoyl-sn-glycero-3-phospho-(1'-sn-glycerol) 
1,3,7-trimethyluric acid  
1,3-benzothiazole-2-thiol +   
1,3-dichloropropane 
1,3-diphenylguanidine +  
1,4-benzoquinone +   
1,4-dihydroxy-2-naphthoate 
1,4-dihydroxy-2-naphthoic acid +   
1,4-dihydroxy-2-naphthoyl-CoA 
1,4-dioxane  
1,4-phenylenediamine +   
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-(3-(trifluoromethyl)phenyl)piperazine  
1-(3-chlorophenyl)piperazine  
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-(sn-glycero-3-O-phosphonato)-1D-myo-inositol 
1-(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-[(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-[(2Z)-hexadecenoyl]-2-[(9Z)-octadecenoyl]-sn-glycero-3-phosphocholine 
1-[(7Z)-hexadecenoyl]-2-[(5Z,8Z,11Z,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine 
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-acyl-sn-glycero-3-phosphoethanolamine +  
1-acyl-sn-glycerol 3-phosphate +  
1-acylglycerone 3-phosphate +  
1-alkyl-sn-glycerol 3-phosphate +  
1-aminopropan-2-ol +  
1-arachidonoyl-sn-glycero-3-phosphocholine 
1-benzylpiperazine  
1-C-(indol-3-yl)glycerol 3-phosphate(2-) 
1-chloro-2,2-bis(4'-chlorophenyl)ethylene 
1-chloro-2,4,6-trinitrobenzene  
1-chloro-2,4-dinitrobenzene  
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-eicosyl-2-linolenyl-sn-glycero-3-phosphoethanolamine 
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-(7-oxoheptanoyl)-sn-glycero-3-phosphocholine 
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-phosphocholine +  
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-linoleoyl-sn-glycero-3-phosphocholine 
1-methoxyphenanthrene 
1-methyl-2-hexadecanoyl-sn-glycero-3-phosphocholine 
1-methyl-7H-xanthine  
1-methylimidazole-4-acetaldehyde 
1-methylnaphthalene  
1-methylnicotinamide  
1-methylpyrrolinium 
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-nitroguanidine +  
1-nitronaphthalene  
1-nitropyrene  
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-palmitoyl-2-O-(5-oxovaleryl)-sn-glycero-3-phosphocholine  
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-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-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-p-menth-1-ene-9-al 
1-palmitoleoyl-2-linoleoyl-sn-glycero-3-phosphocholine 
1-palmitoleoyl-2-linoleoyl-sn-glycerol 
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-docosanoyl-sn-glycero-3-phosphoethanolamine 
1-pentadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine 
1-pentadecyl-2-acetyl-sn-glycero-3-phosphocholine 
1-phenanthrol +  
1-phenylethanol +  
1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate +  
1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate +  
1-phosphatidyl-1D-myo-inositol 3-phosphate +  
1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate +  
1-phosphatidyl-1D-myo-inositol 4-phosphate +  
1-pyrroline-3-hydroxy-5-carboxylate 
1-pyrroline-5-carboxylate +  
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-phosphocholine  
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 +   
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-dehydrocorticosterone  
11-deoxycorticosterone +   
11-deoxycortisol  
11-HETE +  
11beta,17alpha,21-trihydroxypregnenolone 
11beta-hydroxyandrost-4-ene-3,17-dione 
11beta-hydroxyprogesterone 
12(R)-HPETE +  
12(S)-HEPE 
12(S)-HPETE +   
12-HEPE +  
12-oxo-cis-dodec-9-enoic acid 
12-oxo-ETE 
13(S)-HODE 
13(S)-HOTrE 
13-oxo-9Z,11E-ODE 
14,15-EET +   
14-demethyllanosterol  
15(R)-HEPE 
15(R)-HEPE(1-) 
15(S)-HETE 
15(S)-HETrE 
15(S)-HPETE +  
15-dehydroprostaglandin A1 
15-deoxy-Delta(12,14)-prostaglandin J3 
15-HEPE +  
16(R)-HETE 
16-epivellosimine 
16alpha-hydroxyandrost-4-ene-3,17-dione 
16alpha-hydroxydehydroepiandrosterone 
16alpha-hydroxyestrone +  
17(R)-HDoHE 
17(R)-HDoHE(1-) 
17alpha,21-dihydroxypregnenolone 
17alpha-hydroxypregnenolone +   
17alpha-hydroxyprogesterone  
17beta-estradiol +   
17beta-estradiol 3-glucosiduronic acid  
17beta-hydroxy-5alpha-androstan-3-one +   
18(R)-HEPE 
18(R)-HEPE(1-) 
18-hydroxycorticosterone 
18-hydroxyleukotriene B4 
19(S)-HETE  
19-bromoaplysiatoxin 
19-hydroxyandrost-4-ene-3,17-dione 
19-hydroxyleukotriene B4 
19-hydroxytestosterone 
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 1,4,5,6-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-phosphate  
1D-myo-inositol 1-phosphate(2-) 
1D-myo-inositol 3,4,5,6-tetrakisphosphate 
1D-myo-inositol 3,4-bisphosphate 
1D-myo-inositol 3-phosphate 
1D-myo-inositol 3-phosphate(2-) 
1D-myo-inositol 4-phosphate 
1H-diazirine 
1H-indole +   
1H-tetrazole +  
2',3'-cyclic AMP 
2',3'-cyclic AMP(1-) 
2',3'-cyclic CMP 
2',3'-cyclic GMP +  
2',3'-cyclic UMP 
2'-aminobiphenyl-2,3-diol 
2'-deamino-2'-hydroxy-6'-dehydroparomamine 
2'-deoxyadenosine +   
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'-diphosphate 
2'-deoxyinosine-5'-monophosphate 
2'-deoxyuridine +  
2,2',3-trihydroxydiphenyl ether 
2,2,2-trichloroethanol  
2,3,2',3'-tetrakis(3-hydroxytetradecanoyl)-alpha-D-glucosaminyl-1,6-beta-D-glucosamine 1-phosphate +  
2,3,4,5-tetrahydrodipicolinic acid +  
2,3-bis-O-(geranylgeranyl)-sn-glycero-3-phosphoethanolamine 
2,3-bisphospho-D-glyceric 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-diketogulonic acid 
2,3-epoxygerianial 
2,4,6-tribromophenol +   
2,4,6-trichlorophenol  
2,4,6-trinitrophenyl group +  
2,4-D  
2,4-dinitrophenol +   
2,4-dinitrophenyl group +  
2,5,5-trimethyl-1,3-thiazolidine-4-carboxylic acid 
2,5-diamino-4-hydroxy-6-(5-phosphonatoribosylamino)pyrimidine(3-) 
2,5-diamino-6-(5-phosphono)ribitylamino-4(3H)-pyrimidinone 
2,5-diamino-6-ribosylamino-4(3H)pyrimidinone 5'-triphosphate 
2,5-didehydro-D-gluconic acid 
2,5-dihydroxybenzaldehyde  
2,5-dihydroxybenzoic acid +   
2,5-dimethyl-p-phenylenediamine 
2,5-dioxopentanoic acid 
2,6-diaminopimelate(2-) +  
2,6-diaminopimelic acid +  
2,6-dichlorobenzonitrile  
2,6-dihydroxycyclohexane-1-carbonyl-CoA 
2,6-dimethylaniline +   
2,6-dimethylnaphthalene  
2-(2',3-epoxy-1',3'-heptadienyl)-6-hydroxy-5-(3-methyl-2-butenyl)benzaldehyde 
2-(2-methyl-4-oxo-3-pyranyl)acetaldehyde 
2-(3-amino-3-carboxypropyl)-L-histidine +  
2-(4-oxo-2-propyl-3-pyranyl)acetaldehyde 
2-(acetoxyamino)-3-methylimidazo[4,5-f]quinoline 
2-(alpha-D-mannosyl)-D-glyceric acid +  
2-(carboxyethoxy)propanal 
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-[3-carboxylato-3-(methylammonio)propyl]-L-histidine dizwitterion +  
2-acetamido-2-deoxy-D-glucopyranose 1-phosphate +  
2-acetamido-5-oxopentanoate 
2-acetamidofluorene +   
2-acetoxypropanal 
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-oxoadipic acid 
2-amino-6-(hydroxymethyl)-7,8-dihydropteridin-4-ol 
2-aminoacetaldehyde 
2-aminoacrylic acid +  
2-aminoethanesulfonate 
2-aminomuconic 6-semialdehyde 
2-aminomuconic acid 
2-bromo-2-(bromomethyl)pentanedinitrile +   
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-dehydro-3-deoxy-6-phospho-D-gluconic acid 
2-dehydro-3-deoxy-D-galactonic acid 
2-dehydro-3-deoxy-D-gluconic acid 
2-dehydropantoate 
2-demethylmenaquinone +  
2-deoxy-2-fluoro-aldehydo-D-glucose +  
2-deoxy-D-glucose 6-phosphate 
2-deoxy-D-ribofuranose 
2-deoxy-D-ribose +  
2-deoxy-D-ribose 5-phosphate(2-) 
2-ethyl-4-hydroxy-5-methyl-3(2H)-furanone 
2-ethylhexyl sulfate 
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-formylglutaric acid 
2-formylporphyrin 
2-furoate 
2-furoic acid +   
2-hexaprenyl-5-hydroxy-6-methoxy-3-methyl-1,4-benzoquinone 
2-hexaprenyl-6-methoxy-1,4-benzoquinone 
2-hexaprenyl-6-methoxy-3-methyl-1,4-benzoquinone 
2-hexaprenyl-6-methoxyphenol 
2-hydroxy-1,4-benzoquinone 
2-hydroxy-17beta-estradiol +   
2-hydroxy-3-(4-hydroxyphenyl)prop-2-enoic 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-hydroxyethyl methacrylate  
2-hydroxyglutaric acid +   
2-hydroxyhepta-2,4-dienedioic acid 
2-hydroxyhexadecanal +  
2-hydroxypropylphosphonic acid +  
2-icosanoyl-sn-glycero-3-phosphoethanolamine 
2-isopropylmalate(2-) +  
2-isopropylmaleate(2-) 
2-isopropylmaleic acid 
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-1,4-phenylenediamine  
2-methyl-1-hydroxypropylthiamine diphosphate 
2-methyl-3-oxopropanoic acid +  
2-methyl-4-chlorophenoxybutyric acid 
2-methylacetoacetyl-CoA 
2-methylbutan-1-ol +  
2-methylbutanal +  
2-methylbutyl acetate 
2-methylcitrate(3-) +  
2-methylcyclotrisiloxane 
2-methylpropane-1,2-diol 
2-naphthaldehyde 
2-naphthoic acid +   
2-naphthol +   
2-naphthoyl-CoA 
2-naphthylamine +   
2-nitroanisole  
2-nitrofluorene  
2-nitroguanidine +   
2-nitropropane  
2-nitrotoluene  
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-[(2S,4S,6S,8S)-2,4,6,8-tetramethyltriacontanoyl]-alpha,alpha-trehalose 
2-O-sulfate-4-hydroxyacetophenone 
2-octaprenylphenol 
2-oxoadipate(2-) 
2-oxoadipic acid  
2-oxobutanoate 
2-oxoglutarate(2-) 
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-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-HETE +   
20-hydroxy-leukotriene B4 
20-hydroxycholesterol  
20-oxo-5-O-beta-mycaminosyltylactone 
20-oxoleukotriene E4 
21-HDoHE 
21-hydroxypregnenolone +  
23-acetoxysoladulcidine 
24,25-dihydrolanosterol +   
24-methylenecholesterol 
24-methylidenelophenol 
2H-tetrazole 
3''-adenylylstreptomycin 
3',5'-cyclic AMP +   
3',5'-cyclic AMP(1-) 
3',5'-cyclic CMP(1-) 
3',5'-cyclic dAMP 
3',5'-cyclic GMP +   
3',5'-cyclic GMP(1-) +  
3',5'-cyclic IMP 
3'-AMP 
3'-AMP(2-) 
3'-CMP  
3'-dephospho-CoA 
3'-dephospho-CoA(2-) 
3'-hydroxy-4'-methoxydiclofenac 
3'-hydroxydiclofenac 
3'-ketolactose 
3'-phospho-5'-adenylyl sulfate  
3'-phosphoadenylyl selenate 
3'-phosphonato-5'-adenylyl sulfate(4-) 
3'-UMP +  
3,3',5-triiodo-L-thyronine +   
3,4,5-trimethoxycinnamic acid 
3,4-dihydro-4-[(5-methyl-2-furanyl)methylene]-2H-pyrrole 
3,4-dihydroxyfluorene 
3,4-dihydroxymandelaldehyde 
3,4-dihydroxymandelic acid  
3,4-dihydroxyphenylacetaldehyde  
3,4-dihydroxyphenylethyleneglycol  
3,4-dimethoxybenzoic acid +  
3,4-dimethoxyphenylethylamine 
3,5-dibromo-4-hydroxybenzonitrile  
3,5-dibromocatechol 
3,5-diiodo-L-tyrosine +  
3,6-anhydro-D-galactose 
3,6-anhydro-D-glucose 
3,6-diamino-10-methylacridinium chloride +  
3,6-diamino-10-methylacridinium chloride.HCl +  
3,6-diaminoacridine  
3,6-diaminoacridine dihydrochloride +  
3,6-diaminoacridine monohydrochloride +  
3,7-dimethyluric acid 
3,8-dioxooct-5-enoyl-CoA 
3-(2,2,3-trimethylcyclopent-3-enyl)cyclohex-3-enecarbaldehyde 
3-(3-hydroxyphenyl)propanoic acid +  
3-(4-hydroxyphenyl)pyruvate 
3-(4-oxo-4,5-dihydro-1H-imidazol-5-yl)propanoic acid 
3-(4-tert-butylamino-6-methylthiol-s-triazin-2-ylamino)propionaldehyde 
3-(5-methylfurfuryl)pyrrole 
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)pyruvate 
3-(indol-3-yl)pyruvic acid 
3-(leucinocarbonyl)phenylazo group 
3-(N-Nitrosomethylamino)propionaldehyde 
3-[alpha-D-galactosyl-(1->6)-beta-D-galactosyl]-1,2-diacyl-sn-glycerol +  
3-acetamido-3,5-dideoxy-L-lyxo-hept-6-ulopyranosuronic acid 
3-amino-4-iodopyridine 
3-aminoalanine +  
3-ammoniopropanal 
3-carboxy-1-hydroxypropylthiamine diphosphate 
3-chloroacrylaldehyde 
3-cyano-L-alanine +  
3-dehydro-4-methylzymosterol +  
3-dehydro-L-erythrose 4-phosphate 
3-dehydro-L-gulonic acid +  
3-dehydro-L-gulonic acid 6-phosphate 
3-dehydroquinate 
3-dehydroquinic acid 
3-dehydroshikimate 
3-dehydrosphinganine +  
3-dehydrosphinganinium(1+) 
3-disulfanyl-L-alanine +  
3-formylsalicylic acid 
3-formylthiophene 
3-furaldehyde 
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-1-methoxy-9,10-dioxo-2-anthracenecarboxaldehyde 
3-hydroxy-2-isopropyl-4-methoxy-4-oxobutanoate 
3-hydroxy-3-methylglutaryl-CoA +  
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-hydroxydecanoic acid 
3-hydroxydocosanoyl-CoA +  
3-hydroxyicosanoyl-CoA +  
3-hydroxyisovaleryl-CoA 
3-hydroxylubimin 
3-hydroxyoctadecanoyl-CoA +  
3-hydroxypimeloyl-CoA 
3-hydroxypropanoyl-CoA 
3-hydroxypropionic acid +   
3-hydroxypyruvic acid  
3-hydroxytetracosanoyl-CoA 
3-iodo-L-tyrosine +  
3-iodoprop-2-yn-1-yl butylcarbamate 
3-keto-beta-D-galactose 
3-mercaptohexanol +  
3-mercaptohexyl acetate 
3-mercaptolactic acid 
3-mercaptopyruvic acid 
3-methyl-2-oxobutanoate 
3-methyl-2-oxobutanoic acid  
3-methyl-3H-imidazo[4,5-f]quinolin-2-amine  
3-methyl-4'-dimethylaminoazobenzene  
3-methyl-4-\{[(1Z)-prop-1-en-1-yl]oxy\}butanal 
3-methylbut-2-enoyl-CoA 
3-methylbutanal 
3-methylcholanthrene +   
3-methylthiopropanol +  
3-oxoadipyl-CoA 
3-oxodecanoyl-CoA 
3-oxodocosanoyl-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-oxotetracosanoyl-CoA 
3-oxotetradecanoyl-CoA 
3-pentadecylcatechol 
3-phospho-D-glyceric acid 
3-phospho-D-glyceroyl dihydrogen phosphate 
3-phosphonato-D-glyceroyl phosphate(4-) 
3-phosphonatooxypyruvate(3-) 
3-phosphonatoshikimate(3-) 
3-phosphoshikimic acid 
3-sulfino-L-alanine +  
3-sulfinylpyruvic acid 
3-sulfopyruvic acid 
3-ureidoisobutyric acid 
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-5beta-cholest-24-en-26-oyl-CoA +  
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl-CoA +  
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 
3beta-hydroxy-5beta-pregnan-20-one 
3beta-hydroxyatractylon 
3H-diazirine 
4'-hydroxyacetophenone +   
4'-hydroxydiclofenac  
4'-O-demethylsordarin 
4,4'-(ethyl-2-nitropropane-1,3-diyl)bismorpholine 
4,4'-azodibenzenearsonic acid 
4,4'-diaminoazobenzene 
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-bis(diphospho)-1D-myo-inositol tetrakisphosphate 
4,5-dichloro-2-n-octyl-3(2H)-isothiazolone 
4-(1-hydroxyethyl)phenol 
4-(2,2,3-trimethylcyclopent-3-enyl)cyclohex-3-enecarbaldehyde 
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-nitrophenylazo)aniline 
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-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonic acid 
4-acetamidobutanal 
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-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-chloro-3,5-dimethylphenol  
4-chlorobenzoyl group 
4-diphospho-1D-myo-inositol pentakisphosphate 
4-formylsalicylic acid 
4-guanidiniumylbutanamide(1+) 
4-guanidinobutanoic acid 
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-threonine 
4-hydroxybenzaldehyde 
4-hydroxybenzoate +  
4-hydroxybenzoyl-CoA(4-) 
4-hydroxyestrone +   
4-hydroxyphenyl acetate 
4-hydroxyphenylacetic acid +   
4-hydroxyphenylacetyl-CoA 
4-hydroxyphenylacetylglycine 
4-isopropenyl-2-oxocyclohexane-1-carbonyl-CoA 
4-isopropyl-1-methylcyclohexane 1-hydroperoxide 
4-mercapto-4-methylpentan-2-one 
4-methyl-2-oxopentanoate 
4-methyl-5-(2-phosphonatooxyethyl)thiazole(2-) 
4-methyl-5-(2-phosphonooxyethyl)thiazole +  
4-Methylaminobutanal 
4-methylaminophenol +  
4-methylcatechol +   
4-methylimidazole  
4-methylpentanal  
4-methylthio-2-oxobutanoate +  
4-nitrobenzyl bromide  
4-nitrophenol +   
4-nitrophenyl phosphate  
4-nitroquinoline N-oxide  
4-nitrosobenzenesulfonamide 
4-nonylphenol  
4-oxobutanoate 
4-oxobutyl alpha-L-rhamnoside +  
4-phospho-D-erythronic acid 
4-phospho-L-aspartate 
4-phospho-L-aspartic acid +  
4-pregnen-20,21-diol-3-one 
4-pyridoxic acid +   
4-quinolone-3-carboxaldehyde 
4-sulfanilamidobenzoic acid 
4-tert-butylphenol +   
4-tolyl isocyanate  
4-trimethylammoniobutanal 
4-vinylcyclohexene dioxide  
4alpha-methyl-5alpha-ergosta-8,14,24(28)-trien-3beta-ol 
4alpha-methylzymosterol 
4beta-methylzymosterol-4alpha-carboxylic acid 
5'-acetylphosphoadenosine 
5'-adenylyl sulfate +   
5'-adenylyl sulfate(2-) 
5'-deoxyadenosine 
5'-S-methyl-5'-thioadenosine  
5'-xanthylate(2-) 
5'-xanthylic acid +  
5(S)-HETE 
5(S)-HPETE 
5,10-methylenetetrahydrofolate(2-) +  
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-dihydrothymine 
5,6-dihydrouracil 
5,6-dihydroxyindole 
5,6-dihydroxyindole-2-carboxylic acid  
5,6-dimethyl-3-pentadecylcatechol 
5,6-dimethylbenzimidazole 
5,6-EET +   
5,6beta-epoxy-5beta-cholestane 
5,7-icosanedione 
5-(2'-formylethyl)-4,6-dihydroxypicolinic acid 
5-(2-hydroxyethyl)-4-methylthiazole 
5-(dimethylamino)-N-(4-nitrosobenzyl)naphthalene-1-sulfonamide 
5-(hydroxymethyl)cytosine +   
5-(methylsulfanyl)-2,3-dioxopentyl phosphate(2-) 
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-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-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-carboxyamino-1-(5-phospho-D-ribosyl)imidazole 
5-dehydro-4-deoxy-2-O-sulfo-D-glucuronic acid 
5-dehydro-4-deoxy-D-glucuronic acid +  
5-dehydro-D-gluconic acid 
5-diphospho-1D-myo-inositol pentakisphosphate(13-) 
5-fluorouracil  
5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide 
5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide(2-) 
5-formimidoyltetrahydrofolic acid 
5-formyltetrahydrofolic acid +   
5-formyluracil 
5-guanidino-2-oxopentanoic acid 
5-HEPE 
5-HETE +  
5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylic acid 
5-hydroxy-L-tryptophan 
5-hydroxydiclofenac  
5-hydroxyfuran-2-carboxylic acid 
5-hydroxyisouric acid +  
5-hydroxykynurenamine +  
5-methoxyindole-3-acetic acid  
5-methyl-1H-benzotriazole 
5-methyldihydrofolic acid 
5-methyltetrahydrofolate(2-) 
5-methyltetrahydropteroyltri-L-glutamate(4-) 
5-O-(1-carboxylatovinyl)-3-phosphonatoshikimate 
5-O-(1-carboxyvinyl)-3-phosphoshikimic acid 
5-O-beta-D-mycaminosyl-20-oxotylonolide 
5-O-mycaminosyltylonolide 
5-O-phosphonato-alpha-D-ribofuranosyl diphosphate(5-) 
5-O-phosphono-alpha-D-ribofuranosyl diphosphate 
5-oxo-ETE  
5-phospho-beta-D-ribosylamine 
5-phospho-beta-D-ribosylaminium(1-) 
5alpha-androstane-3,17-dione 
5alpha-cholest-7-en-3beta-ol +   
5alpha-cholest-8-en-3beta-ol 
5alpha-cholesta-7,24-dien-3beta-ol 
5beta-androstane-3,17-dione 
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 
5H-tetrazole 
6'-oxoparomamine 
6,7-dimethyl-8-(1-D-ribityl)lumazine 
6,7-dimethyl-8-(1-D-ribityl)lumazine(1-) 
6,8-icosanedione 
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-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol 
6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol(1-) 
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-aminopenicillanic acid +   
6-diphospho-1D-myo-inositol pentakisphosphate 
6-formylpterin  
6-hydroxymelatonin  
6-hydroxynicotinic acid 
6-lactoyl-5,6,7,8-tetrahydropterin +  
6-methoxy-2,6-dimethyloctanal 
6-methylcoumarin 
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-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole +   
6-phospho-2-dehydro-3-deoxy-D-galactonic acid 
6-phospho-2-dehydro-D-gluconic acid 
6-propyl-2-thiouracil  
6-tuliposide A 
6alpha-methylprednisolone +   
6beta-hydroxyestrone 
7,10,13,16-docosatetraenoic acid 
7,12-dimethyltetraphene  
7,8-diaminononanoate 
7,8-dihydro-7-hydroxy-8S-glutathionylbenzo[a]pyrene 
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-cyano-7-deazaguanine 
7-dehydrodesmosterol 
7-deoxyloganetic aldehyde 
7-methyl-3-oxooct-6-enoyl-CoA 
7-methylxanthine 
7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate 
7-phospho-2-dehydro-3-deoxy-D-arabino-heptonic acid 
7alpha -hydroxytestosterone 
7alpha,12alpha-dihydroxy-5beta-cholestan-3-one 
7alpha,12alpha-dihydroxycholest-4-en-3-one 
7alpha-hydroxy-5beta-cholestan-3-one 
7alpha-hydroxycholest-4-en-3-one  
7alpha-hydroxycholesterol  
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-HETE +  
8-phospho-3-deoxy-D-manno-oct-2-ulosonic acid 
9(S)-HPETE 
9(S)-HPODE 
9-HODE +   
9-mercaptodethiobiotin 
9beta-pimara-7,15-dien-19-al 
9H-xanthine +   
9xi-episterol +  
A-factor 
acamprosate  
acesulfame 
acetaldehyde +   
acetamiprid +   
acetate +   
acetoacetyl-[acp] 
acetoacetyl-CoA  
acetoacetyl-CoA(4-) 
acetochlor  
acetone +   
acetonitrile +   
acetyl dihydrogen phosphate 
acetyl phosphate(1-) 
acetyl-[acyl-carrier protein] 
acetyl-CoA(4-) 
acetylcholine +   
acetylleucyl-leucyl-norleucinal  
acid red 26 
acid red 4 
acriflavinium chloride 
acriflavinium monochloride 
acrylamide  
acrylonitrile +   
acryloyl-CoA  
acyl-carrier protein +  
adenine +   
adenosine 2'-phosphate 
adenosine 3',5'-bismonophosphate +   
adenosine 3',5'-bismonophosphate(4-) 
adenosylcob(III)yrinic acid a,c-diamide 
adenosylcobinamide 
adenosylcobinamide guanosyl diphosphate 
adenosylcobinamide phosphate 
adenylyl selenate 
ADP alpha-D-glucoside 
ADP-D-glycero-D-manno-heptose +  
ADP-D-ribose +   
ADP-D-ribose 2'-phosphate 
ADP-D-ribose(2-) +  
ADP-L-glycero-D-manno-heptose +  
aerobactin 
aflatoxin B1 +   
aflatoxin Q1  
agmatine +   
AICA ribonucleotide  
Ala-tRNA(Ala) 
alachlor  
albuterol +   
alcaftadine 
aldehydic acid +   
aldehydo-ascarylose 
aldehydo-D-arabinose 5-phosphate(2-) 
aldehydo-D-galacturonate 
aldehydo-D-xylose +  
aldehydo-L-rhamnose 
aldehydo-N-acyl-D-mannosamine 6-phosphate +  
aldosterone +   
aliphatic aldehyde +   
alkanal 
alkylphosphonate 
all-cis-5,8,11,14,17-icosapentaenoic acid +  
all-cis-docosa-4,7,10,13,16,19-hexaenoic acid +   
all-cis-octadeca-6,9,12,15-tetraenoic acid +  
all-trans-4-hydroxyretinol 
all-trans-4-oxoretinal  
all-trans-hexaprenyl diphosphate 
all-trans-octaprenyl diphosphate 
all-trans-retinal +   
all-trans-retinol +   
allantoate 
allantoic acid 
allantoin +   
allolactose +  
alpha,alpha-trehalose +   
alpha,alpha-trehalose 6-phosphate 
alpha,alpha-trehalose 6-phosphate(2-) 
alpha,beta-unsaturated aldehyde +   
alpha-CH2-containing aldehyde +   
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 6-phosphate 
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-mannosyl-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
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-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-linolenic acid +   
alpha-linolenoyl-CoA 
alpha-maltose 6'-phosphate 
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-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-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-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-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-ribazole +  
alpha-ribazole 5'-phosphate 
ametryn  
amidotrizoic acid +   
amino aldehyde +   
aminoacetone  
aminoguanidine +   
aminophenazone  
aminopropylcadaverine 
amisulpride  
amitraz  
amitriptyline +   
ammonia +   
ammonioacetaldehyde 
ammonioacetone 
ammonium +   
amoxicillin diketopiperazine 
amoxicilloic acid 
amphetamine +   
amylose +   
andrastin A  
androst-4-ene-3,17-dione +   
androst-5-ene-3beta,17beta-diol  
androsterone +   
androsterone 3-glucosiduronic acid  
androsterone sulfate 
anserine 
anthranilate +  
anthranilic acid +   
anthrarobin  
antipyrine +   
aplysiatoxin 
apo-[acyl-carrier protein] 
apoprotein +  
arachidonic acid +   
arbutin 6-phosphate 
arenecarbaldehyde +   
Arg-tRNA(Arg) 
aristolochic acid +   
Aroclor 1254  
arsenic acid  
artemisinic aldehyde +  
artemoin A 
artemoin B 
artemoin C 
artemoin D 
artemorin 
arugosin A (hydroxy-aldehyde form) 
Asn-tRNA(Asn) 
Asp-tRNA(Asn) 
Asp-tRNA(Asp) 
Asp-Tyr-Met-Gly-Trp-Met-Asp-Phe-NH2 
asparagoside F 
aspartame  
aspirin-triggered resolvin D4 
asulam 
atenolol +   
atomoxetine +   
atorvastatin 
atorvastatin calcium trihydrate 
atraton 
atrazine +   
azathioprine  
aziridine aldehyde +  
azithromycin +   
azoxystrobin  
aztreonyl group +  
Bandrowski's base  
barbituric acid +   
bentazone  
benzalkonium chloride  
benzene +   
benzene-1,2,4-triol  
benzethonium chloride  
benzidine  
benzo[a]pyrene +   
benzo[d]isothiazol-3-one  
benzo[e]pyrene  
benzocaine  
benzothiazole +   
benzotriazole +   
benzoyl-CoA +  
benzoylacetyl-CoA 
benzylamine +   
benzylpenicillenate +  
benzylpenicillenic acid +  
benzylpenicilloyl-benzylamine 
benzylpenilloaldehyde 
beryllium atom +   
beryllium dichloride  
beryllium oxide 
beryllium sulfate +   
beta-aminoarteether maleate 
beta-Aminopropion aldehyde 
beta-carotene +   
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-galactose +   
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-hexacosanoylsphingosine 
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)-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->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)-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 +   
betaine aldehyde 
bezafibrate  
bicalutamide  
bilirubin IXalpha  
biliverdin +   
biliverdin hydrochloride 
biocytin +  
biotin +   
biotinate +  
biotinyl-5'-AMP 
biotinyl-5'-AMP(1-) 
biphenyl-2,2',3-triol 
biphenyl-4-amine +   
bis(2-chloroethyl) sulfide  
bis(beta-glucosyluronic acid)bilirubin 
bis(chloromethyl) ether 
Bismark brown Y 
bismuth subcarbonate 
bisperfluorodecyl phosphate 
bisperfluorooctyl phosphate 
bisphenol A +   
boscalid +  
brilliant green  
brilliant green cation +   
bromacil  
bromobenzene +   
bromochlorodifluoromethane 
bromodichloromethane  
buddlenol A 
bupropion +   
busulfan  
but-1-ene-1,2,4-tricarboxylate 
but-3-ynal 
buta-1,3-diene +   
butachlor  
butan-1-ol +   
butanal +   
butanals +   
butane-2,3-dione  
butynal +  
butyryl-CoA +   
C20 sphinganine +  
C20 sphingosine +  
cadaverine +   
cadmium nitrate +   
cadmium nitrate tetrahydrate 
caffeine +   
calcidiol +   
calcitriol +   
calcium carbonate +   
campesterol 
candesartan  
canthaxanthin  
carbamazepine +   
carbamazepine-10,11-epoxide  
carbamic acid +   
carbamimidic acid +  
carbamoyl phosphate 
carbamoyl phosphate(2-) 
carbazic acid +   
carbetamide 
carbidoselanidonitrogen 
carbohydrate allergen +  
carbon dioxide  
carbon disulfide  
carbon monoxide  
carbonic acid +   
carbonodithioic O,S-acid 
carbonodithioic S,S-acid 
carbonothioic O,O-acid +   
carbonothioic O,S-acid 
carbonotriselenoic acid 
carbonotrithioic acid 
carbonyl dihydrazine  
carbonyl sulfide  
carboxyacetyl-[acyl-carrier protein] 
carboxyphosphoric acid 
cardiolipin +  
carnitine +   
carnitinium +  
carnosine +   
carotenal +  
carvone +   
catechol beta-D-glucuronide 
catechol beta-D-glucuronide(1-) 
CDP +   
CDP(3-) +  
CDP-choline  
CDP-diacylglycerol +  
CDP-ethanolamine +  
CDP-ethanolamine(1-) 
ceramide allergen +  
cerotate +  
cetirizine  
chaetopyranin 
chenodeoxycholic acid +   
chenodeoxycholoyl-CoA 
chitin  
chitosan  
chloral hydrate  
chlorambucil  
chloramine T  
chloramphenicol +   
chlorendic acid  
chloridazon 
chloride +   
chloroethene  
chlorofluorocarbon +  
chloroform +   
chloromethylisothiazolinone +   
chloropicrin  
chlorotoluron  
chlorpyrifos  
chlorpyrifos-methyl  
cholate +   
cholest-5-ene 
cholesta-5,7-dien-3beta,25-diol 
cholesta-5,7-dien-3beta-ol +   
cholesterol +   
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 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-) 
chondroitin 4'-sulfate +  
chondroitin D-glucuronate +   
chorismate(2-) +  
chorismic acid +  
cilastatin  
ciprofloxacin +   
cis,cis-2-amino-3-(3-oxoprop-1-enyl)but-2-enedioic acid 
cis-3-chloroprop-2-en-1-ol 
cis-4-hydroxy-D-proline 
cis-aconitate(3-) 
cis-geranoyl-CoA 
cis-resveratrol 3-O-glucuronide 
citalopram  
citronellal +   
clarithromycin  
clethroidoside G 
climbazole  
clindamycin +   
clodronic acid  
clodronic acid disodium salt +  
clomazone 
clothianidin +   
clotrimazole  
clozapine  
CMP-N-acetyl-beta-neuraminic acid  
CMP-N-glycoloyl-beta-neuraminic acid 
cob(I)alamin 
cob(I)yrinic acid a,c diamide 
cob(III)alamin 
cobalt chloride hexahydrate 
cobalt dichloride +   
cobalt(2+) sulfate heptahydrate 
cobamamide +   
cobinamide +  
cocaine  
cocamidopropyl betaine 
codeine +   
coenzyme A +   
coenzyme A(4-) +   
cohibin C 
cohibin D 
coniferol +  
copper atom +   
coproporphyrinogen I 
coproporphyrinogen III  
coproporphyrinogen III(4-) 
coprostanol +  
corticosterone +   
cortisol +   
cortisone +   
cotinine N-oxide 
creatine +   
crosatoside B 
CTP +   
CTP(4-) +  
cumene hydroperoxide  
cyanamide +   
cyanazine +   
cyanic acid +   
cyclodopa 5-beta-D-glucoside 
cyclohexyl isocyanate  
cyclohexylamine 
cyclohexylsulfamic acid 
cyclophosphamide +   
cyclophosphamide hydrate 
cyclopropylamine +  
cyclosporin A +   
cyclosporin A metabolite M1cAL 
cymoxanil 
cyproconazole  
cyprodinil  
cyromazine  
Cys-tRNA(Cys) 
cysteamine +   
cystine +   
cystine zwitterion +  
cytidine +   
cytidine 5'-monophosphate +   
cytidine 5'-monophosphate(2-) +  
cytochrome c +  
cytosine +   
D-alanine +  
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-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-galactopyranose +   
D-galactosamine +   
D-galactosamine 6-phosphate 
D-galactosamine 6-phosphate(1-) 
D-galactose +   
D-glucitol +   
D-glucitol 6-phosphate 
D-glucono-1,5-lactone +  
D-glucopyranose +   
D-glucopyranuronate +  
D-glucosaminide +  
D-glucosyl-N-acylsphingosine +  
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-leucinate 
D-leucine +  
D-leucinium 
D-mannitol +   
D-mannitol 1-phosphate 
D-mannonate 
D-mannose +   
D-methioninate 
D-methioninium 
D-ornithine +  
D-proline +  
D-ribosylnicotinic acid +  
D-ribulose +  
D-ribulose 1,5-bisphosphate 
D-ribulose 5-phosphate 
D-serine +  
D-tagatose 1,6-bisphosphate +  
D-tagaturonate 
D-tartaric acid +  
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-) +  
dacarbazine  
dADP +  
dADP(3-) 
dATP 
dATP(4-) 
dCDP 
dCDP(3-) 
dCTP +   
dCTP(3-) 
DDT +   
deacetyllaurenobiolide 
deamido-NAD(+) +   
debromoaplysiatoxin 
decanoate +  
decanoyl-[acyl-carrier protein] 
decanoyl-CoA +   
decanoyl-CoA(4-) +  
decaprenyl diphosphate +  
decylamine-N,N-dimethyl-N-oxide 
dehydro-D-arabinono-1,4-lactone(1-) 
dehydroabietic acid 
dehydroascorbic acid +   
dehydroepiandrosterone +   
dehydroepiandrosterone sulfate  
dehydroglycine 
Delta(6)-trans,Delta(8)-cis-leukotriene B4 
demethyllactenocin 
demethylmacrocin 
deoxyhemoglobin 
deoxyribonucleic acid +  
desmedipham 
desmethylnaproxen  
desmosterol +   
dethiobiotin +  
dethiobiotin(1-) 
dexamethasone +   
dextromethorphan +   
dGDP(3-) 
dGTP  
dGTP(3-) 
diacylglycerol 28:2 
diacylglycerol 40:4 +  
dialdehyde +   
diazepam +   
diazinon  
diazomethane 
dibenzothiazol-2-yl disulfide  
dibutyl phthalate  
dicamba  
dichloromethane  
dichlorprop 
diclofenac +   
dicyclohexylmethane-4,4'-diisocyanate  
dieldrin  
diethyl hydrogen phosphate 
diethylstilbestrol +   
difenoconazole  
diflufenican 
diglyceride +   
diglyme 
dihydrochanoclavine-I aldehyde 
dihydroferulate 
dihydroferulic acid +  
dihydrofolate(2-) 
dihydrofolic acid  
dihydrolipoamide +   
dihydrolipoylprotein 
dihydromonacolin L acid +  
dihydrosterigmatocystin +  
dihydroxyacetone +   
dihydroxyacetone phosphate  
diisocyanate +   
dimethachlor 
dimethenamid 
dimethoate  
dimethomorph  
dimethyl sulfide +  
dimethyl sulfoxide +   
dinoseb +   
dioxygen +   
diphenylmethane monoisocyanate 
diphenylmethane-4,4'-diisocyanate  
diphosphate(3-) +  
diphosphoric acid +   
disodium clodronate tetrahydrate 
disodium maleate 
Disperse Blue 124 
Disperse Red 1 
dITP 
dITP(4-) 
ditrans,polycis-undecaprenyl diphosphate 
diuron  
DL-ethionine 
docosaprenyl diphosphate 
dodecanoate +  
dodecaprenyl diphosphate +  
dolichol +  
dolichyl beta-D-glucosyl phosphate 
dolichyl D-mannosyl phosphate +  
dolichyl diphosphate 
dolichyl phosphate +  
dopamine +   
doxorubicin +   
dronedarone  
drug allergen +   
dTDP +   
dTDP(3-) 
dTDP-4-dehydro-6-deoxy-alpha-D-glucose 
dTDP-alpha-D-glucose +  
dTDP-beta-L-rhamnose 
dTDP-D-glucuronate 
dTTP +  
dTTP(3-) 
dUDP 
dUDP(3-) 
dUMP +   
dUMP(2-) +  
dUTP +  
dUTP(3-) 
dyspropterin +  
E. coli strain 0111 B4 lipopolysaccharide 
ecgonine +   
ecgonine methyl ester +   
egonol beta-D-glucoside 
environmental food contaminant +   
epiandrosterone sulfate 
epiandrosterone sulfate(1-) 
epimelibiose 
episterol +  
episteryl oleate 
episteryl palmitoleate 
epoxiconazole  
eprosartan +  
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 
erythro-4-hydroxy-L-glutamic acid 
erythromycin +   
estriol +   
estrone +   
estrone 3-O-(beta-D-glucuronide)  
estrone 3-sulfate  
ethambutol +   
ethanol +   
ethanolamine +   
ethanolaminium(1+) +  
ethion  
ethofumesate 
ethoxide +  
ethyl (2R)-lactate +  
ethyl (2S)-lactate +  
ethyl 4-oxobutanoate 
ethyl acetate  
ethyl isothiocyanate 
ethyl methanesulfonate  
ethylene glycol +   
ethylene glycol dimethacrylate  
ethylenediamine dihydrochloride 
eugenol +   
exemestane  
FAD  
FAD(3-) 
FADH2 +  
FADH2(2-) +  
fatsicarpain C 
fecosterol +  
fecosteryl oleate 
fecosteryl palmitoleate 
fellutamide C 
fellutamide D 
fenobucarb  
fenofibrate  
fenoxycarb  
fenpropidin 
fenpropimorph 
ferredoxin +  
ferrichrome  
ferricytochrome b5 
ferricytochrome c +  
ferrienterobactin(3-) 
ferrioxamine B 
ferrocytochrome b5 
ferrocytochrome c +  
ferroheme a 
ferroheme b(2-) 
ferrous carbonate 
fipronil  
flonicamid 
fluazifop 
fluazinam  
fluconazole +   
flufenacet  
flumequine  
fluoroacetaldehyde 
fluoxetine  
fluroxypyr 
flusilazole  
fMet-tRNA(fMet) 
FMN +   
FMN(3-) +  
FMNH2 +  
FMNH2(2-) 
folate(2-) 
folic acid +   
foramsulfuron 
formaldehyde +   
An aldehyde resulting from the formal oxidation of methanol.
formamide +   
formamidine +   
formate +  
formimidic acid +  
formyl dihydrogen phosphate 
formyl-5-hydroxykynurenamine 
formyl-CoA 
formylindanone +  
formylthiophene 
framycetin +   
fructoselysine 6-phosphate 
fructosyllysine 
fulminic acid 
fumagalone +  
fumarate(2-) +  
fumonisin B1  
fumonisin B2  
furan +   
furfural 
furosemide  
fusidic acid  
gabapentin +   
galactan +   
galactitol +  
galactitol 1-phosphate 
galactosylceramide sulfate +  
gamma-aminobutyric acid +   
gamma-Glu-Ala 
gamma-Glu-Ala(1-) 
gamma-glutamyl-beta-aminopropiononitrile 
gamma-glutamyl-beta-cyanoalanine 
gamma-glutamyl-gamma-aminobutyraldehyde 
gamma-L-glutamylputrescine 
gamma-linolenic acid +   
gamma-linolenoyl-CoA 
GDP +   
GDP(3-) +  
GDP-4-dehydro-6-deoxy-alpha-D-mannose 
GDP-alpha-D-mannose +  
GDP-alpha-D-mannose(2-) 
GDP-beta-L-fucose 
GDP-mannose +  
gemcitabine +   
geraniol +   
geranyl diphosphate  
geranyl diphosphate(3-) 
GI254023X 
gibberellin A12 aldehyde 
gibberellin A20 +  
gibberellin A24 
gibberellin A3 +  
gibberellin A5 
gibberellin A7 
gibberellin A9 +  
Gln-tRNA(Gln) 
Glu-tRNA(Gln) 
Glu-tRNA(Glu) 
glucuronic acid +   
glutaraldehyde  
glutaryl-CoA +   
glutathionate(1-) +  
glutathione +   
glutathione disulfide  
glutathione disulfide(2-) 
glutathionylspermidine 
glutathioselenol +  
glutaurine 
Gly-tRNA(Gly) 
glycan G00008 
glycan G10595 
glycan G10599 
glyceraldehyde 3-phosphate +   
glyceraldehyde 3-phosphate(2-) 
glycerol +   
glycerol 2-phosphate  
glycerone phosphate(2-) 
glycogen  
glycolaldehyde phosphate 
glycolaldehyde triphosphate 
glycolaldehydes +   
glyoxal +   
glyoxylate +  
glyoxylate ester +  
glyoxylic acid +   
GTP +   
GTP(3-) +  
guaiacol +   
guaiacyl lignin +  
guanidine +   
guanidinium chloride 
guanidinoacetic acid 
guanine +   
guanosine 3',5'-bis(diphosphate) 
guanosine 3'-diphosphate 5'-triphosphate 
guanosine 3'-monophosphate 
guanosine 5'-monophosphate +   
guanosine 5'-monophosphate(2-) +  
GW 501516 +   
gypsogenin +  
gypsosaponin A 
gypsosaponin B 
gyromitrin 
hadacidin 
halomethane +   
Helminthosporal 
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 
heptadecaprenyl diphosphate 
heptan-2-one  
heptaprenyl diphosphate +  
heteroarenecarbaldehyde +   
hexachlorobenzene  
hexachloroethane 
hexacosanoyl-CoA +  
hexadec-2-enoyl-CoA +  
hexadecanal +  
hexadecanoate +   
hexadecaprenyl diphosphate 
hexadecasphing-4-enine +  
hexadecasphing-4-enine-1-phosphate 
hexahydrophthalic anhydride 
hexamethylene diisocyanate  
hexanoyl-CoA +   
hexaprenyl diphosphate +  
hexyl isocyanate 
Hibiscoquinone A 
His-tRNA(His) 
histamine +   
histaminium 
HMBOA beta-D-glucoside 
holo-[acyl-carrier protein] 
homocitrate(3-) 
homocysteine zwitterion 
homoisocitrate(3-) +  
homoserine lactone +   
homovanillate 
homovanillic acid +   
hordenine 
hydantoin-5-propionate 
hydantoin-5-propionic acid 
hydrochlorothiazide  
hydrogen bromide +  
hydrogen chloride +   
hydrogen cyanide +   
hydrogen iodide +  
hydrogen peroxide +   
hydrogen sulfide +   
hydrogencarbonate +   
hydrogenphosphate +  
hydrogensulfite +   
hydroquinone +   
hydroquinone O-beta-D-glucopyranoside +   
hydrosulfide +  
hydroxide +  
hydroxyacetone +  
hydroxyaldehyde +   
hydroxycitronellal  
hydroxymethylnitramine 
hydroxymethylphosphonic acid +  
hydroxypolyether aldehyde +  
hydroxyurea  
hyocholate 
hyocholic acid +  
hyodeoxycholate 
hyodeoxycholic acid +   
hypotaurine +   
hypothiocyanous acid 
ibuprofen +   
icosaprenyl diphosphate 
IDP(3-) 
ifosfamide  
Ile-tRNA(Ile) 
imazamox  
imidacloprid +   
imidazol-4-ylacetic acid 
imidazole-4-acetaldehyde 
imidazolylacetaldehyde +  
iminoaspartic acid 
IMP +   
IMP(2-) 
indol-3-ylacetaldehyde  
indole-3-acetate 
indole-3-acetic acid +   
indole-5,6-quinone 
indoleacetaldehyde +   
indometacin +   
inosine +   
Ins-1-P-6-Man-1-2-Ins-1-P-Cer(d18:0/2-OH-26:0) 
Ins-1-P-6-Man-1-2-Ins-1-P-Cer(d18:0/26:0) +  
Ins-1-P-6-Man-1-2-Ins-1-P-Cer(t18:0/2,3-OH-26:0) 
Ins-1-P-6-Man-1-2-Ins-1-P-Cer(t18:0/26:0) 
Ins-1-P-6-Man-beta1-2-Ins-1-P-Cer(d18:0/2-OH-24:0) 
Ins-1-P-6-Man-beta1-2-Ins-1-P-Cer(d18:0/24:0) 
Ins-1-P-6-Man-beta1-2-Ins-1-P-Cer(t18:0/2,3-OH-24:0) 
Ins-1-P-6-Man-beta1-2-Ins-1-P-Cer(t18:0/2-OH-24:0) 
Ins-1-P-6-Man-beta1-2-Ins-1-P-Cer(t18:0/2-OH-26:0) 
Ins-1-P-6-Man-beta1-2-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) +  
insulin (human) 
integrastatin B 
inumakal 
iobitridol 
iohexol  
iomeprol  
iooxitalamic acid  
iopamidol  
iopromide  
ioxynil  
iprovalicarb 
irbesartan  
irgarol 1051 
iron atom +   
iron(2+) +   
iron(3+) +   
iron(III) dicitrate(3-) 
iron(III) hydroxamate +   
iron(III) nitrilotriacetate  
isoamyl acetate 
isoamylol +   
isobutanol +   
isobutyl acetate 
isobutyraldehyde +   
isobutyryl-CoA +   
isocitrate(3-) +  
isocyanic acid +   
isoeugenol +   
isofulminic acid 
isomaltose +  
isopentenyl diphosphate  
isopentenyl diphosphate(3-) 
isoprothiolane +   
isoproturon  
isoselenocyanic acid +  
isothiocyanic acid +   
isothiofulminic acid 
isovaleryl-CoA 
Isovelleral 
itaconate(2-) 
itaconyl-CoA 
itaconyl-CoA(5-) 
ITP +  
ITP(4-) 
jaspamide G 
josamycin  
ketamine +   
keto-D-fructose 1,6-bisphosphate  
keto-phenylpyruvate 
ketoaldehyde +   
ketoprofen  
kresoxim-methyl  
kynurenic acid +   
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-allothreonine 
L-allysine +  
L-alpha-amino acid +   
L-arabinitol +  
L-arabinopyranose +  
L-arabinose +  
L-arginine +   
L-argininium(1+) +  
L-asparagine +   
L-aspartic 4-semialdehyde 
L-aspartic acid +   
L-citrulline +  
L-citrulline zwitterion +  
L-cystathionine  
L-cysteate(1-) +  
L-cysteic acid 
L-cysteinylglycine +  
L-cysteinylglycine zwitterion 
L-cystine +   
L-dehydroascorbic acid  
L-dopa +  
L-dopachrome 
L-dopaquinone 
L-ethionine +   
L-fucopyranose +  
L-fuculose +  
L-galactonic acid +  
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-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-homocitrulline +  
L-homocitrulline zwitterion 
L-homocysteine +  
L-homoserine +  
L-idonate +  
L-idonic acid +  
L-isoleucinate 
L-isoleucine +  
L-isoleucinium +  
L-kynurenine +  
L-leucinate +  
L-leucine +   
L-leucinium +  
L-lysinate 
L-lysine +   
L-lysinium(1+) +  
L-lysinium(2+) +  
L-methioninate +   
L-methionine +   
L-methionine (R)-S-oxide +  
L-methionine S-oxide +  
L-methioninium +  
L-ornithine +   
L-phenylalaninate +  
L-phenylalanine +   
L-phenylalaninium +  
L-proline +   
L-rhamnulose +  
L-rhamnulose 1-phosphate 
L-ribulose +  
L-ribulose 5-phosphate 
L-saccharopinate(1-) 
L-saccharopine 
L-serine +   
L-sorbose +  
L-threoninate 
L-threonine +  
L-threoninium +  
L-thyroxine +  
L-tryptophan +   
L-valine +   
L-xylulose +  
L-xylulose 5-phosphate 
lactaldehyde +  
lactate +  
lactose 6'-phosphate 
lamivudine  
lamotrigine  
lanosterol +   
lanosteryl oleate 
lanosteryl palmitoleate 
laurenobiolide +  
lauroyl-CoA +   
lauroyl-CoA(4-) +  
lead chromate  
lenacil 
Leu-tRNA(Leu) 
leucomethylene blue 
leukotriene A4 +   
leukotriene A4(1-) 
leukotriene B4 +   
leukotriene B4(1-) 
leukotriene C3 
leukotriene C4 +   
leukotriene D3 
leukotriene D4  
leupeptin  
levetiracetam  
lidocaine +   
lilac aldehyde +  
linalool 6-hydroperoxide 
linalool 7-hydroperoxide 
linalool hydroperoxide +  
linoleoyl-CoA 
linuron  
liphagal 
lipid A (E. coli) +  
lipid II 
lipid X 
lipoamide +   
lipoprotein +  
lipoyl-AMP +  
lipoylprotein 
lissamine fast yellow 
lissamine fast yellow (acid form) 
lithocholate +  
lithocholic acid +   
litreol  
LL-2,6-diaminopimelic acid +  
loracarbef anion 
lucialdehyde B 
lucialdehyde C 
luzonial A 
luzonial B 
luzonidial B 
Lys-tRNA(Lys) 
macrocin 
magnesium carbonate 
malachite green 
maleamic acid 
maleic acid +   
maleic anhydride 
malonyl-CoA  
malonyl-CoA(5-) 
maltohexaose 
maltose +   
maltotetraose 
Man-1-2-Ins-1-P-Cer(d18:0/2-OH-26:0) +  
Man-1-2-Ins-1-P-Cer(d18:0/26:0) +  
Man-1-2-Ins-1-P-Cer(t18:0/2,3-OH-26:0) +  
Man-1-2-Ins-1-P-Cer(t18:0/2-OH-26:0) 
Man-1-2-Ins-1-P-Cer(t18:0/26:0) +  
Man-beta1-2-Ins-1-P-Cer(d18:0/2-OH-24:0) +  
Man-beta1-2-Ins-1-P-Cer(d18:0/24:0) +  
Man-beta1-2-Ins-1-P-Cer(t18:0/2,3-OH-24:0) +  
Man-beta1-2-Ins-1-P-Cer(t18:0/2-OH-24:0) +  
Man-beta1-2-Ins-1-P-Cer(t18:0/24:0) +  
manganese atom +   
mannan +  
mannitol +   
mannonic acid +  
mannose-(1D-myo-inositol 1-phosphate)2 
mannose-1D-myo-inositol 1-phosphate 
maoecrystal Z 
marneral 
mecoprop  
mefenamic acid  
MeIQx +   
melatonin +   
melibiitol 
melibiose +   
melphalan  
menaquinol +  
menaquinone +   
menaquinone-9 +  
mephedrone  
mercury(2+)  
meso-2,6-diaminopimelic acid dizwitterion 
mesotrione +   
Met-tRNA(Met) 
metal allergen +   
metal cation allergen +   
metalaxyl 
metamitron +  
metazachlor  
metformin  
metformin hydrochloride +  
methacrylyl-CoA  
methadone +   
methamphetamine +   
methane +   
methanediamine 
methanediol +  
methanesulfonic acid +   
methanethiol +   
methanimine +  
methanol +   
methapyrilene +   
methapyrilene hydrochloride 
methiocarb  
methionine +   
methomyl +   
methoxyfenozide  
methyl dihydrogen phosphate  
methyl group 
methyl isocyanate +   
methyl methacrylate  
methyl methanesulfonate  
methyl propenyl ketone 
methyl sulfate 
methylamine +   
methylamine hydrochloride 
methylarsonic acid  
methylarsonous acid 
methylcobalamin  
methylenedinitramine 
methylglyoxal +   
methylhexahydrophthalic anhydride 
methyllithium 
methylmagnesium chloride 
methylmercury chloride  
methylphosphine 
methylphosphonic acid +  
methylselenenic acid 
methylseleninic acid  
methylselenol 
methylsilanetriol 
methylsulfanol 
methyltelluronic acid 
methyltetrahydrophthalic anhydride 
metoclopramide  
metolachlor  
metoprolol  
metribuzin 
metronidazole +   
metsulfuron methyl  
microcystin LF  
microcystin LW 
microcystin RR  
microcystin-LR  
minocycline +   
Mo-molybdopterin cofactor +  
moclobemide  
mollicellin B 
mollicellin C 
mollicellin E 
mollicellin F 
mollicellin H 
mollicellin J 
mollicellin K 
mollicellin L 
mollicellin M 
mollicellin N 
molybdate +   
monoacylglycerol phosphate +   
monodehydro-L-ascorbic acid 
monuron  
morellin +  
morphine +   
murideoxycholate 
murideoxycholic acid 
musk xylene  
myclobutanil 
mycophenolic acid +   
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 hexakisphosphate  
myo-inositol hexakisphosphate(12-) 
myristoyl-[acyl-carrier protein] 
myristoyl-CoA +   
myristoyl-CoA(4-) +  
N(1)-(5-phospho-D-ribosyl)glycinamide 
N(1)-(5-phospho-D-ribosyl)glycinamide(1-) +  
N(1)-acetylspermidine 
N(1)-acetylspermidinium(2+) 
N(1)-acetylsperminium(3+) 
N(2)-acetyl-L-ornithine 
N(2)-acetyl-L-ornithine zwitterion 
N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide(2-) 
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(5)-[(Z)-amino(hydroxyimino)methyl]ornithine +  
N(6),N(6),N(6)-trimethyl-L-lysine +  
N(6)-(1,2-dicarboxylatoethyl)-AMP(4-) 
N(8)-acetylspermidine 
N(alpha)-methyl-L-tryptophan 
N(pros)-methyl-L-histidine +  
N(tele)-methylhistamine  
N,N'-diacetylchitobiose +  
N,N'-diacetylchitobiosyldiphosphodolichol 
N,N'-dibutylthiourea 
N,N'-diethylthiourea 
N,N'-diformyldityrosine 
N,N'-diphenylthiourea  
N,N-bis(2-hydroxypropyl)nitrosamine +   
N,N-diethyl-m-toluamide  
N,N-dimethylglycine 
N,S-isopropylidene-D-penicillamine 
N-(11Z-icosenoyl)-sphingosine-1-phosphocholine 
N-(15Z)-tetracosenoylsphingosine 
N-(17Z-hexacosenoyl)-sphingosine-1-phosphocholine 
N-(17Z-hexacosenoyl)sphingosine 
N-(2,3-dihydroxybenzoyl)-L-serine 
N-(2,3-dihydroxyhexacosanoyl)-(4S)-hydroxysphinganine +  
N-(2,6-diethylphenyl)-2-chloroacetamide  
N-(2-hydroxyhexacosanoyl)sphinganine +  
N-(2-hydroxyhexacosanyl)-(4R)-phytosphingosine 
N-(2-hydroxytetracosanoyl)phytosphingosine +  
N-(2-hydroxytetracosanoyl)sphinganine +  
N-(5-phosphonato-beta-D-ribosyl)anthranilate 
N-(9Z-hexadecenoyl)sphingosine-1-phosphocholine 
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-[(9-beta-D-ribofuranosylpurin-6-yl)carbamoyl]threonate 
N-[(9-beta-D-ribofuranosylpurin-6-yl)carbamoyl]threonine 
N-[(9Z)-octadecenoyl]sphinganine 
N-[(R)-4-phosphonatopantothenoyl]-L-cysteinate(3-) 
N-[(R)-4-phosphopantothenoyl]-L-cysteine 
N-[(R)-pantothenoyl]-L-cysteine +  
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\}-L-Asn residue 
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-acetoxy-2-acetamidofluorene  
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-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-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-L-alanine +  
N-acetyl-L-aspartate(2-) +  
N-acetyl-L-aspartic acid +   
N-acetyl-L-gamma-glutamyl phosphate 
N-acetyl-L-gamma-glutamyl phosphate(3-) 
N-acetyl-L-glutamate(2-) +  
N-acetyl-L-glutamic acid 
N-acetylgalactosamine +  
N-acetylmuramic acid 6-phosphate +  
N-acetylneuraminic acid +   
N-acetylneuraminic acid 9-phosphate 
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-D-mannosamine +  
N-acylphytosphingosine +   
N-acylsphinganine +   
N-acylsphingosine 1-phosphate +  
N-acylsphingosine 1-phosphoethanolamine +  
N-arachidonoyltaurine 
n-butyl isocyanate 
N-butyl-N-(3-carboxypropyl)nitrosamine 
N-butyl-N-(4-hydroxybutyl)nitrosamine +   
N-carbamoyl-beta-alanine 
N-carbamoyl-L-aspartate(2-) 
N-carbamoylaspartic acid +  
N-cyclohexylformamide 
N-cyclopropylammelide 
N-docosanoylsphinganine +  
N-docosanoylsphingosine 
N-docosanoylsphingosine-1-phosphocholine 
N-dodecanoyltaurine 
N-eicosanoylsphinganine +  
N-ethyl-N-(2-hydroxyethyl)nitrosamine 
N-ethyl-N-nitrosourea  
N-ethylperfluorooctane sulfonamidoacetic acid 
N-formyl-L-aspartic acid 
N-formyl-L-glutamic acid 
N-formyl-L-kynurenine +  
N-formyl-L-tyrosine 
N-glycoloylneuraminate +  
N-heneicosanoylsphingosine-1-phosphocholine 
N-henicosanoylsphinganine-1-phosphocholine 
N-heptadecanoylsphinganine-1-phosphocholine 
N-heptadecanoylsphingosine-1-phosphocholine 
N-hexacosadienoylsphingosine-1-phosphocholine 
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-hexadecanoylsphinganine +  
N-hexadecanoylsphinganine-1-phosphocholine 
N-hexadecanoylsphingosine-1-phosphocholine 
N-hexadecanoyltaurine 
N-hydroxy-4-aminobiphenyl  
N-hydroxy-MeIQx 
N-hydroxy-PhIP  
N-hydroxyguanidine 
N-icosanoylsphingosine 
N-icosanoyltaurine 
N-isopropyl-N'-phenyl-p-phenylenediamine  
N-lignoceroylsphingosine-1-phosphocholine 
N-methyl-4-pyridone-3-carboxamide 
N-methyl-6-pyridone-3-carboxamide  
N-methyl-N-nitrosourea  
N-methyl-N-pentylnitrosamine 
N-methylperfluorooctane sulfonamidoacetic acid 
N-methylputrescine 
N-methyltyramine +   
N-myristoylsphingosine-1-phosphocholine 
N-nitrobis(2-hydroxypropyl)amine 
N-nitrosodiethylamine +   
N-nitrosomorpholine  
N-nitrosopiperidine  
N-nitrososarcosine 
N-nonadecanoylsphingosine-1-phosphocholine 
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-phosphocreatine 
N-ribosylnicotinamide  
N-stearoylsphingosine-1-phosphocholine 
N-stearoyltaurine 
N-substituted pyrraline +  
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 
NAD(+)  
NAD(1-) +  
NADH(2-) +  
NADP(3-) 
NADPH(4-) +  
nafenopin  
naltrexone  
naphthalene +   
naphthalene-1,2-diol +   
naphthalene-1,5-diamine  
naphthalene-2,7-disulfonic acid 
naphthalene-2-sulfonic acid 
napropamide  
naproxen +   
neohesperidin dihydrochalcone  
neomycin sulfate 
neotame  
nickel subsulfide +   
nickel sulfate +   
nicosulfuron 
nicotinamide +   
nicotinate +   
nicotinate D-ribonucleotide(2-) 
nicotinic acid +   
nicotinic acid D-ribonucleotide +  
nitric oxide  
nitrilotriacetic acid +  
nitrosobis(2-oxopropyl)amine  
nitrososulfadiazine 
nitrososulfamethoxazole  
nitrososulfapyridine 
NMN zwitterion  
NMN(-) 
nonadecaprenyl diphosphate 
nonaprenyl 4-hydroxybenzoate 
nonaprenyl diphosphate +  
norfloxacin  
norverapamil  
novobiocin  
nucleoside diphosphate +   
nucleoside triphosphate +   
O(4)-phospho-L-tyrosine +  
O,O-diethyl hydrogen thiophosphate 
O-[(2E)-hexenedioyl]carnitine 
O-[(3R,11Z,14Z)-3-hydroxyicosadienoyl]carnitine 
O-[(7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl]carnitine 
O-acetyl-L-carnitine  
O-acetyl-L-homoserine 
O-acetyl-L-serine +  
O-acetyltropine 
O-methylserotonin +   
O-octadecadiendioylcarnitine 
O-octenedioylcarnitine 
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-succinyl-L-homoserinate(1-) 
O-succinyl-L-homoserine 
o-toluidine +   
obtusifoliol 
ochratoxin A +   
octadecanoate +  
octadecaprenyl diphosphate 
octanoate +  
octanoic acid +   
octanoyl-[acyl-carrier protein] 
octanoyl-CoA +  
octanoyl-CoA(4-) +  
octaprenyl diphosphate +  
octhilinone 
octulose 8-phosphate 
oleate +  
oleic acid +   
oleoyl-CoA  
oleoyl-CoA(4-) 
oleyl acetate 
omega-oxo fatty acid +   
orbencarb 
organic halide 
ornithine +   
ornithinium(1+) +  
orotate +  
orotic acid +   
orotidine 5'-phosphate 
orotidine 5'-phosphate(3-) 
oseltamivir +   
oxaloacetate(2-) 
oxaluric acid 
oxalyl-CoA 
oxamic acid +   
oxazepam  
oxazirene 
oxidized adrenodoxin 
oxidized ferredoxin +  
oxirane +   
oxybenzone  
ozone  
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-cresol +   
p-tolyl beta-D-glucuronide 
p-tolyl beta-D-glucuronide(1-) 
palmitoleate +  
palmitoleoyl-CoA(4-) 
palmitoyl-[acyl-carrier protein] 
palmitoyl-CoA +   
palmitoyl-CoA(4-) 
pannarin 
pantetheine 
pantetheine 4'-phosphate(2-) +  
pantoprazole  
paracetamol +   
paraoxon  
parathion  
parathion-methyl  
patent blue V 
patulin  
pectin +  
pelargonidin 3-O-sophoroside 
pendimethalin  
penicillin +   
penicillin allergen +   
penicilloyl group allergen +  
pentadecaprenyl diphosphate 
pentaprenyl diphosphate +  
peptide allergen +  
perfluorobutyric acid  
perfluorodecanoic acid  
perfluorodecyl phosphate 
perfluorododecanoic acid  
perfluoroheptanoic acid  
perfluorohexanoic acid  
perfluorooctane sulfonamidoacetic acid 
perfluorooctanoic acid  
perfluorooctyl phosphate 
perfluoropentanoic acid 
perfluoroundecanoic acid  
perillic acid +   
perillyl aldehyde  
perillyl-coenzyme A 
persistent organic pollutant +   
pethoxamide 
Phe-tRNA(Phe) 
phenanthrene +   
phenanthrene-3,4-diol +  
phenazopyridine  
phenazopyridine hydrochloride 
phenethyl acetate 
phenmedipham 
phenol +   
phenoxyacetic acid +   
phenyl isocyanate  
phenyl isothiocyanate 
phenyl phosphate 
phenylacetaldehyde +   
phenylacetaldehydes +   
phenylacetate +  
phenylacetic acid +   
phenylacetyl-CoA +  
phenylacetylglycine +   
phenylacetylglycine(1-) 
PhIP +   
phosphane +   
phosphatidic acid +   
phosphatidic acid 18:3 
phosphatidyl-N-methylethanolamine +  
phosphatidylcholine 10:0 
phosphatidylcholine 12:0 +  
phosphatidylcholine 13:0 +  
phosphatidylcholine 15:0 
phosphatidylcholine 15:1 
phosphatidylcholine 18:0 
phosphatidylcholine 18:2 
phosphatidylcholine 18:3 
phosphatidylcholine 25:0 
phosphatidylcholine O-13:0 
phosphatidylethanolamine 18:0 zwitterion 
phosphatidylethanolamine 18:1 zwitterion 
phosphatidylethanolamine 18:2 zwitterion 
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 +   
phosphatidylinositol 22:2(1-) 
phosphatidylserine(18:1/22:1) 
phosphocholine +   
phosphonoacetaldehyde 
phosphonoformic acid +   
phthalic anhydride +   
phthalyl group 
phytosphingosine +   
phytosphingosine 1-phosphate +  
pimelate(1-) 
pimelic acid +  
pimeloyl-CoA(5-) 
pinocarveol +  
pinocarvone 
pinoxaden 
pinoxaden acid +  
pirimicarb  
pirimiphos-methyl  
polycyclic arene +   
Polygodial  
polyneuridine aldehyde 
polysulfur  
Pontamine sky blue 5B 
Pontamine sky blue 5B (acid form) 
porphobilinogen  
porphobilinogen(1-) 
potassium atom +   
potassium chromate  
potassium cyanate 
potassium cyanide  
potassium dichromate  
potassium formate 
pravastatin  
precorrin-2 +  
precorrin-2(7-) 
precursor Z hydrate 
prednisolone +   
pregnenolone +   
prenyl diphosphate  
prenyl diphosphate(3-) 
prenyl-FMNH2 
prephenate(2-) +  
prephenic acid +  
presqualene diphosphate 
preuroporphyrinogen  
preuroporphyrinogen(8-) 
primidone  
primin 
Pro-tRNA(Pro) 
prochloraz  
procollagen 5-hydroxy-L-lysine 
progesterone +   
prometon  
prometryn  
prop-2-yn-1-ol +   
prop-2-ynal 
propachlor  
propamocarb  
propanal +   
propanals +   
propane-1,2-diol +   
propanoyl phosphate 
propanoyl-AMP 
propaquizafop 
propazine  
propiconazole  
propionyl-CoA +   
propionyl-CoA(4-) +  
propranolol +   
propyl decanoate 
prosolanapyrone III 
prostaglandin D2 +   
prostaglandin E2 +   
prostaglandin F2alpha +   
prostaglandin G2 +   
prostaglandin H2 +   
prostaglandin I2 +   
prosulfocarb 
protein disulfide +  
protein dithiol +  
protoporphyrin +   
protoporphyrinate 
protoporphyrinogen  
protoporphyrinogen(2-) 
pseudotropine +  
pseudouridine 5'-phosphate(2-) 
pymetrozine  
pyraclostrobin 
pyridine +   
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-) 
pyrimethanil  
pyrimidine-2-thiol 
pyrraline +  
quaternium-15 
queuine +  
quillaic acid +  
quillaic acid alpha-L-Arap-(1->4)-alpha-L-Arap-(1->3)-beta-D-Xylp-(1->4)-alpha-L-Rhap-(1->2)-beta-D-fucopyranosyl ester 
quinaldic acid 
quinmerac 
quinolinate(1-) +  
quinolinate(2-) 
quinoline-4,6-diol 
quinoline-4,8-diol 
quinolinic acid  
rac-1,2-dichloropropane +   
raffinose +   
ranitidine +   
raphanusamic acid 
reduced adrenodoxin 
reduced ferredoxin +  
rel-hopan-27-al-6beta,11alpha,22-triol 
reserpine  
resolvin D5 
resolvin T1 
resolvin T2 
resolvin T3 
resolvin T4 
retinals +   
riboflavin +   
riboflavin(1-) 
ribothymidine +  
riddelliine +   
riddelliine N-oxide 
rifampicin +   
rimsulfuron 
ritonavir +   
rosanilin +  
rosanilin free base 
rosaramicin 
rosuvastatin 
rubiarboside G 28-al 
S(8)-aminomethyldihydrolipoamide 
S(8)-aminomethyldihydrolipoylprotein 
S(8)-glutaryldihydrolipoamide 
S(8)-succinyldihydrolipoamide 
S-(3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl)-4'-phosphopantetheine 
S-(4-oxobutan-2-yl)glutathione 
S-(5-deoxy-beta-D-ribos-5-yl)-L-homocysteine 
S-(chloromethyl)glutathione 
S-(hydroxymethyl)glutathione  
S-adenosyl-4-methylthio-2-oxobutanoate 
S-adenosyl-4-methylthio-2-oxobutanoic acid 
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-tetradecanoyl-4'-phosphopantetheine 
saccharin +   
SAICAR  
SAICAR(4-) 
sarcosine +  
sebuthylazine 
secbumeton 
sedoheptulose 1,7-bisphosphate  
sedoheptulose 1,7-bisphosphate(4-) 
sedoheptulose 7-phosphate 
sedoheptulose 7-phosphate(2-) 
selane +  
selenocyanic acid +  
selenodiglutathione 
selenourea 
Sem-tRNA(Met) 
semicarbazide +   
semustine  
Ser-tRNA(Ser) 
serotonin +   
shikimate +  
shikimic acid +   
silver(0)  
simazine  
simeton 
Sirius red 4B 
Sirius red 4B (acid form) 
siroheme 
siroheme(8-) 
sirohydrochlorin +  
sirohydrochlorin(8-) 
sitagliptin +  
sitosterol +  
sn-glycerol 3-phosphate 
sn-glycerol 3-phosphate(2-) 
sodium arsenite  
sodium atom +   
sodium aurothiomalate  
sodium aurothiosulfate  
sodium chromate  
sodium cyanate  
sodium cyanide  
sodium dihydrogen arsenate 
sodium glyoxylate 
sodium hydrogencarbonate  
sodium hypochlorite  
sodium nitrilotriacetate 
sodium orotate 
sodium phenolate 
somatostatin-28 
sordaricin 
sotalol  
sphinga-4E,14Z-dienine +  
sphinga-4E,8E-dienine +  
sphingadienine-1-phosphate 
sphinganine +   
sphinganine 1-phosphate  
sphinganine 1-phosphate(1-) 
sphinganine(1+) +  
sphingosine +   
sphingosine 1-phosphate  
spiramycin I 
spiramycin II 
spironolactone  
spiroxamine  
SQ 26,992 
squalene +   
squaric acid dibutyl ester 
stachyose +  
starch  
stearoyl-CoA  
stearoyl-CoA(4-) 
steroid aldehyde +   
styrene +   
succinate(2-) +  
Succinic aldehyde 
succinic semialdehyde +   
succinyl-CoA  
succinyl-CoA(5-) 
sucralose  
sucrose +   
sucrose 6(F)-phosphate 
sucrose 6(G)-phosphate 
Sudan III  
Sudan IV 
sulcotrione 
sulfadiazine  
sulfadimethoxine  
sulfamethazine  
sulfamethoxazole +   
sulfamethoxazole hydroxylamine  
sulfapyridine  
sulfapyridine hydroxylamine 
sulfate +   
sulfathiazole +  
sulfluramid 
sulfoacetic acid +  
sulfur dioxide  
sulfurothioic S-acid 
superoxide  
SW-163E 
syringal lignin 
tannic acid 
taurine +   
taurochenodeoxycholic acid  
taurocholate +  
tebuconazole  
tebufenozide  
tebutam 
teflubenzuron 
tellurocyanic acid 
telmisartan  
terbumeton 
terbutryn  
terbutylazine  
testosterone +   
tetrachlorophthalic anhydride 
tetraconazole  
tetracosanoate +  
tetracosanoyl-CoA 
tetracycline +   
tetradecanoate +  
tetradecaprenyl diphosphate +  
tetrahydrofolyl-poly(glutamic acid) macromolecule +  
tetrahydropteroyltri-L-glutamate(4-) 
theobromine  
thiacloprid +   
thiamethoxam +   
thiamine(1+) +   
thiamine(1+) diphosphate(1-) 
thiamine(1+) monophosphate +  
thiamine(1+) triphosphate 
thiamine(1+) triphosphate(4-) 
thifensulfuron-methyl 
thimerosal  
thiocyanic acid +  
thiofulminic acid 
thiopental  
thiophosgene 
thioredoxin disulfide 
thioredoxin dithiol 
thiourea +   
Thr-tRNA(Thr) 
thromboxane A2 +   
thromboxane B2 +   
thromboxane B3 
thymidine +   
thymine +   
tixocortol pivalate 
toluene 2,4-diisocyanate  
toluene 2,6-diisocyanate  
toluene meta-diisocyanate +   
toxaphene  
tramadol  
trans-2-hexacosenoyl-CoA 
trans-2-octadecenoyl-CoA 
trans-3-chloroprop-2-en-1-ol 
trans-3-methylglutaconyl-CoA 
trans-4-carboxybut-2-enoyl-CoA 
trans-4-coumaric acid +  
trans-4-hydroxy-L-proline +  
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-) 
trichlopyr  
trichloroacetaldehyde +   
trichloroacetic acid +   
trichloroepoxyethane 
trichloroethene  
trichlorofluoromethane 
triclocarban  
tridecaprenyl diphosphate +  
tridodecylamine 
triflic acid +  
trifluralin  
triforine  
trihydroxysilanecarbaldehyde 
trimellitic anhydride  
trimethoprim +   
trimethylamine +   
trimethylamine N-oxide  
trimethylenediamine +   
trimethylenediaminium 
trimipramine +   
trinexapac-ethyl 
triphenylmethane +   
tris(2-butoxyethyl) phosphate  
trisodium phosphonoformate +  
trisodium phosphonoformate hexahydrate 
tritosulfuron 
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) 
trypan blue 
tryptamine +   
tryptaminium 
tryptophol 
tulipinolide 
tylosin 
Tyr-Met 
Tyr-tRNA(Tyr) 
tyramine +   
ubiquinol +  
ubiquinol-6 
ubiquinone-0 
ubiquinone-6 
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-glucuronic acid +   
UDP-beta-L-threo-pentopyranos-4-ulose 
UDP-D-galactose(2-) +  
UDP-D-glucose(2-) 
UDP-N-acetyl-alpha-D-glucosamine  
UDP-N-acetyl-alpha-D-glucosamine(2-) 
UDP-N-acetylmuramoyl-L-alanyl-gamma-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine 
umbelliferone sulfate +   
umbelliferone sulfate(1-) 
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 +   
urea +   
urea hydrogen peroxide 
urea-1-carboxylate 
ureidoglycolic acid +  
uridine 5'-monophosphate +  
uridine 5'-monophosphate(2-) +  
uridine-5'-aldehyde 
uroporphyrinogen I 
uroporphyrinogen III 
uroporphyrinogen III(8-) 
ursodeoxycholic acid +   
UTP +   
UTP(4-) 
Val-tRNA(Val) 
valeraldehyde +  
valsartan +   
vellosimine 
venlafaxine +   
verapamil  
versicolorin A 
versiconal hydroxyaldehyde form 
vitamin K +   
vitamin K epoxide  
water +   
WHWLQLKPGQPMY 
xanthosine 
XDP 
XTP +  
xylitol +   
YIIKGLFWDPAC +  
YIIKGVFWDPAC +  
Z-Val-Phe-H  
zinc dichloride +   
zymosterol +   
zymosterol intermediate 1a 
zymosterol intermediate 1b 
zymosterol intermediate 1c 
zymosterol intermediate 2 
zymosteryl oleate 
zymosteryl palmitoleate 

Synonyms
Related Synonyms: Formaldehyd ;   Formalin ;   Formula=CH2O ;   InChI=1S/CH2O/c1-2/h1H2 ;   InChIKey=WSFSSNUMVMOOMR-UHFFFAOYSA-N ;   Methanal ;   Methylene oxide ;   Oxomethane ;   Oxomethylene ;   SMILES=[H]C([H])=O
Alternate IDs: CHEBI:14274 ;   CHEBI:24077 ;   CHEBI:337763 ;   CHEBI:5142
Xrefs: Beilstein:1209228 "Beilstein" ;   CAS:50-00-0 "ChemIDplus" ;   CAS:50-00-0 "KEGG COMPOUND" ;   CAS:50-00-0 "NIST Chemistry WebBook" ;   DrugBank:DB03843 ;   Drug_Central:3244 "DrugCentral" ;   Gmelin:445 "Gmelin" ;   HMDB:HMDB0001426 ;   KEGG:C00067 ;   KEGG:D00017
Xref Mesh: MESH:D005557
Xrefs: PDBeChem:FLH ;   PDBeChem:FOR ;   PMID:110589 "Europe PMC" ;   PMID:12686735 "Europe PMC" ;   PMID:15091529 "Europe PMC" ;   PMID:16423181 "Europe PMC" ;   PMID:17618393 "Europe PMC" ;   PMID:18837732 "Europe PMC" ;   PMID:25042713 "Europe PMC" ;   PMID:7381846 "ChEMBL" ;   PMID:7548723 "Europe PMC" ;   PMID:7689168 "Europe PMC" ;   PMID:7896413 "Europe PMC" ;   PMID:9686972 "Europe PMC" ;   PPDB:359 ;   Reaxys:1209228 "Reaxys" ;   UM-BBD_compID:c0122 "UM-BBD" ;   Wikipedia:Formaldehyde

paths to the root

NHLBI Logo

RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.