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aldehyde +     
(+)-artemisinic acid  
(+)-DCA-CL 
(+)-pisiferal 
(+)-pisiferic acid 
(+-)-chartaceone B 
(-)-(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 
(-)-chuangxinmycin 
(-)-DCA-CL 
(-)-secologanin 
(1-hydroxycyclopentyl)phenylacetic acid +  
(11R)-dihydroartemisinic aldehyde 
(1R,2S,3S,4S)-4-formyl-2-methoxy-3-[(2E)-6-methylhept-2-en-2-yl]cyclohexyl (2E)-3-(4-methoxyphenyl)acrylate 
(1S)-1-hydroxy-23-oxo-24,25,26,27-tetranorcalciol 
(1S,2S,5S)-2-(4-glutaridylbenzyl)-5-phenylcyclohexan-1-ol 
(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 
(1S,9S)-9-amino-6,10-dioxooctahydro-6H-pyridazino[1,2-a][1,2]diazepine-1-carboxylic acid 
(2-ethoxyethoxy)acetic acid 
(2-nitrophenoxy)acetic acid 
(20R)-20-(carboxymethyl)oxypregn-4-en-3-one 
(20R)-28-hydroxylupen-30-al-3-one 
(20S)-20-(carboxymethyl)oxypregn-4-en-3-one 
(24R)-24-[(alpha-L-ascarosyl)oxy]-2-methylpentacosanoic acid 
(25R)-3beta,4beta-dihydroxycholest-5-en-26-oic acid 
(25R)-3beta-hydroxycholest-5-en-7-one-26-oic acid 
(25R)-Delta(7)-dafachronic acid 
(25S)-3alpha-hydroxy-5alpha-cholest-7-en-26-oic acid 
(25S)-cholestenoic acid +  
(2E)-2-(hydroxyimino)isohexanoic acid 
(2E)-2-ethyl-2-butenal 
(2R)-2-[(1R)-4-methylcyclohex-3-en-1-yl]propanoic acid 
(2R,3R,4S,5R)-5-(3,4-dichlorophenyl)-5'-methyl-1',3'-dioxo-4-\{[4-(1,2,3-thiadiazol-4-yl)phenyl]carbamoyl\}-1',3',4,5-tetrahydro-3H-spiro[furan-2,2'-indene]-3-carboxylic acid 
(2R,5Z)-4-methyl-5-[2-(phosphonooxy)ethylidene]-2,5-dihydro-1,3-thiazole-2-carboxylic acid 
(2S)-2-(4-\{[(1R,2S)-2-hydroxycyclopentyl]methyl\}phenyl)propanoic acid 
(2S)-2-(4-nitrophenyl)succinic acid 
(2S)-2-[(\{4-[2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl\}carbonyl)amino]-4-(2H-tetrazol-5-yl)butanoic acid 
(2S)-2-ETHOXY-3-[4-(2-\{4-[(METHYLSULFONYL)OXY]PHENYL\}ETHOXY)PHENYL]PROPANOIC ACID 
(2S)-3-methyl-2-((2R,3S)-3-[(methylsulfonyl)amino]-1-\{[2-(pyrrolidin-1-ylmethyl)-1,3-oxazol-4-yl]carbonyl\}pyrrolidin-2-yl)butanoic acid 
(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)-2-[(3S,6R)-3-amino-6-hydroxy-2-oxopiperidinyl]-3-hydroxybutanoic acid 
(2S,3R)-3-farnesyl-2,3-dihydro-2,N(alpha)-cyclo-L-tryptophan 
(2S,3R)-3-geranyl-2,3-dihydro-2,N(alpha)-cyclo-L-tryptophan +  
(2xi)-D-gluco-heptonic acid 
(3beta)-3,27-dihydroxyolean-12-en-28-oic acid +  
(3R)-8-cyclopropyl-6-(morpholin-4-ylmethyl)-7-(1-naphthylmethyl)-5-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyridine-3-carboxylic acid 
(3S)-3-(4-chlorophenyl)-4-hydroxybutanoic acid 
(4-hydroxy-3-nitrophenyl)acetic acid +  
(4S)-4,16-dihydroxyretinoic acid 
(4S)-4-(5,5-dimethylcyclohex-1-en-1-yl)cyclohex-1-ene-1-carbaldehyde 
(4S,5S)-4,5-dihydroxy-2,6-dioxohexanoic acid 
(6,8-difluoro-7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetic acid 
(6-methoxy-2-naphthyl)acetic acid 
(7R)-6-deoxy-D-manno-oct-7-ulosuronic acid 
(7Z)-lobohedleolide 
(8E,10S,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoic acid 
(\{6-[4-(methylsulfanyl)phenyl]thieno[3,2-d]pyrimidin-4-yl\}sulfanyl)acetic acid 
(E)-2-((N-methylformamido)methylene) succinate 
(E)-2-(methoxyimino)-3-methylbutanoic acid 
(L-Seryl)adenylate 
(methylsulfanyl)acetaldehyde +  
(methylthio)acetic acid 
(R)-3-(acetylthio)isobutyric acid 
(R)-4-dehydropantoic acid 
(S)-(+)-4-(5-carboxypentyl)methamphetamine 
(S)-2,5,5-trimethylthiazolidine-4-carboxylic acid 
(S)-2-chloropropanoic acid 
(S)-alpha-hydroxyglutaric acid-gamma-lactone 
(S)-DNPA 
(Z)-2-methylureidoacrylic acid 
(Z)-4-glutaramidostilbene 
1,1'-bi(cyclohexyl)-1-carboxylic acid +   
1,2-dehydro-2,3-secofriedelan-3-oic acid 
1,3-thiazolemonocarboxylic acid +   
1,4-dihydroxy-6-naphthoic acid 
1-(2,4-difluorophenyl)-6-fluoro-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid +  
1-(4-sulfophenyl)-3-carboxy-4-amino-5-oxopyrazole 
1-amino-15-oxo-4,7,10-trioxa-14-azaoctadecan-18-oic acid 
1-aminocyclopropanecarboxylic acid +  
1-hexadecanoyl-2-(7-oxoheptanoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-2-(9-oxononanoyl)-sn-glycero-3-phosphocholine 
1-methyl-4-imidazoleacetic acid 
1-methyl-pyrazole-3-carboxylic acid 
1-methyl-pyrazole-4-carboxylic acid 
1-methyl-pyrazole-5-carboxylic acid 
1-O-palmitoyl-2-O-(5-oxovaleryl)-sn-glycero-3-phosphocholine  
1-p-menth-1-ene-9-al 
1-piperideine-6-carboxylic acid +   
1-pyrrolinecarboxylic acid +  
12-(octadecanoyloxy)octadecanoic acid 
12-[(9Z)-hexadecenoyloxy]octadecanoic acid 
12-[(9Z)-octadecenoyloxy]octadecanoic acid 
12-ethyl-8-isobutyl-3-vinylbacteriochlorophyllide d 
12-ethyl-8-propyl-3-vinylbacteriochlorophyllide d 
12-oxo-cis-dodec-9-enoic acid 
13-(octadecanoyloxy)octadecanoic acid 
13-[(9Z)-hexadecenoyloxy]octadecanoic acid 
13-[(9Z)-octadecenoyloxy]octadecanoic acid 
14-hydroxyplatensic acid +  
16,16-dimethylprostaglandin E2  
16-alpha-D-mannopyranosyloxyisopimar-7-en-19-oic acid 
16-epivellosimine 
16-feruloyloxypalmitic acid 
17-(4-hydroxyphenyl)heptadecanoic acid +  
17-dimethylaminolobohedleolide 
17-hydroxyprogesterone 3-O-(carboxymethyl)oxime 
17beta-estradiol 3-O-carboxymethyl ether 
19-(4-hydroxyphenyl)nonadecanoic acid +  
2',4',5',7'-tetrabromofluorescein 
2'-deamino-2'-hydroxy-6'-dehydroparomamine 
2,2,3,3-tetramethylcyclopropanecarboxylic acid +   
2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid  
2,3,4,5-tetranor-thromboxane B1 
2,3-dinor-prostaglandin E2 
2,3-epoxygerianial 
2,4-DB +  
2,5,5-trimethyl-1,3-thiazolidine-4-carboxylic acid 
2,5-dioxo-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine-3-carboxylic acid 
2,5-dioxopentanoic acid 
2,6-dichloroisonicotinic acid 
2-(2',3-epoxy-1',3'-heptadienyl)-6-hydroxy-5-(3-methyl-2-butenyl)benzaldehyde 
2-(2,4-dichlorophenoxy)acetic acid [[amino(2-pyridinyl)methylidene]amino] ester 
2-(2,4-dichlorophenoxy)acetic acid octan-2-yl ester 
2-(2,4-dichlorophenoxy)propanoic acid +  
2-(2-amino-1,3-thiazol-4-yl)-2-(1-carboxy-1-methylethoxyimino)acetylaminomethylboronic acid 
2-(2-cyanophenoxy)acetic acid [2-(2,5-dimethyl-1-prop-2-enyl-3-pyrrolyl)-2-oxoethyl] ester 
2-(2-hydroxyphenyl)-4,5-dihydrothiazole-4-carboxylic acid +  
2-(2-methoxyethoxy)propanoic acid 
2-(2-methyl-4-oxo-3-pyranyl)acetaldehyde 
2-(3,5-dichlorophenylcarbamoyl)-1,2-dimethylcyclopropane-1-carboxylic acid 
2-(3,5-dimethylphenoxy)acetic acid [3-(1H-benzimidazol-2-yl)-3-cyano-2-oxopropyl] ester 
2-(3-methylphenoxy)acetic acid (1-methyl-4-piperidinyl) ester 
2-(4-\{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy\}phenoxy)propanoic acid +  
2-(4-\{[5-(trifluoromethyl)pyridin-2-yl]oxy\}phenoxy)propanoic acid +   
2-(4-bromophenoxy)acetic acid (5-phenyl-1,3,4-oxadiazol-2-yl)methyl ester 
2-(4-chloro-2-methylphenoxy)propanoic acid +   
2-(4-chlorophenoxy)butanoic acid (8-methyl-8-azabicyclo[3.2.1]octan-3-yl) ester 
2-(4-chlorophenyl)-3-methylbutyric acid +   
2-(4-cyclohexyl-1-naphthyl)propanoic acid +  
2-(4-ethylphenoxy)acetic acid (4-nitrophenyl) ester 
2-(4-formylphenoxy)acetic acid [2-(4-methylanilino)-4-thiazolyl]methyl ester 
2-(4-hydroxyphenylazo)benzoic acid 
2-(4-oxo-2-propyl-3-pyranyl)acetaldehyde 
2-(carboxyethoxy)propanal 
2-[(1S)-1-aminoethyl]-1-carboxymethyl-5-hydroxy-4-methylimidazole 
2-[(2,6-dichlorobenzoyl)oxy]-3-[2-(2,6-dichlorophenyl)-6-quinolyl]propanoic acid 
2-[2,6-dichloro-4-[[6-ethoxycarbonyl-5-(3-methoxyphenyl)-7-methyl-3-oxo-5H-thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]phenoxy]acetic acid 
2-[2-[[4-oxo-3-[(6-oxo-1-cyclohexa-2,4-dienylidene)methylamino]-2-sulfanylidene-5-thiazolidinylidene]methyl]phenoxy]acetic acid 
2-[2-bromo-4-(hydroxymethyl)-6-methoxyphenoxy]acetic acid 
2-[2-chloro-4-[[5-(2-chlorophenyl)-6-ethoxycarbonyl-7-methyl-3-oxo-5H-thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]-6-methoxyphenoxy]acetic acid 
2-[2-chloro-6-ethoxy-4-[(3-methyl-5-oxo-1-phenyl-4-pyrazolylidene)methyl]phenoxy]acetic acid methyl ester 
2-[2-methoxy-4-[2-(8-nitro-2-quinolinyl)ethenyl]phenoxy]acetic acid 
2-[3-[1-[[2-(3,4-dichlorophenyl)-1-oxoethyl]-methylamino]-2-(1-pyrrolidinyl)ethyl]phenoxy]acetic acid 
2-[3-[[6-[anilino(oxo)methyl]-5-(4-ethoxyphenyl)-7-methyl-3-oxo-5H-thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]phenoxy]acetic acid 
2-[4-(1,3-benzothiazol-2-yl)-2-bromo-6-methoxyphenoxy]acetic acid 
2-[4-(2,5-diphenyl-3,4-dihydropyrazol-3-yl)-2-methoxyphenoxy]acetic acid 
2-[4-(cyclohexylsulfamoyl)-2-methylphenoxy]acetic acid 
2-[4-(pyridin-4-ylmethylsulfamoyl)phenoxy]acetic acid methyl ester 
2-[4-[(2R)-2-[[(2R)-2-(3-chlorophenyl)-2-hydroxyethyl]amino]propyl]phenoxy]acetic acid 
2-[4-[(4-fluorophenyl)sulfonyl-methylamino]phenoxy]acetic acid 
2-[4-[2-(1-cyclohexenyl)ethylsulfamoyl]-2-methylphenoxy]acetic acid methyl ester 
2-[4-[2-[[(2R)-2-hydroxy-3-phenoxypropyl]amino]ethoxy]phenoxy]acetic acid 
2-[4-[3-[3-hydroxy-4-(2-oxoethyl)-2-propylphenoxy]propoxy]phenoxy]acetic acid 
2-[4-[[3-[2-(1H-indol-3-yl)ethyl]-2-(4-methoxyphenyl)imino-4-oxo-5-thiazolidinylidene]methyl]phenoxy]acetic acid 
2-[4-[[4-(2-methoxy-2-oxoethoxy)phenyl]methylidene]-3-methyl-5-oxo-1-pyrazolyl]-4-methyl-5-thiazolecarboxylic acid ethyl ester 
2-[4-[[5-(4-chlorophenyl)-6-ethoxycarbonyl-7-methyl-3-oxo-5H-thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]phenoxy]acetic acid 
2-[4-[[6-ethoxycarbonyl-7-methyl-5-[4-(methylthio)phenyl]-3-oxo-5H-thiazolo[3,2-a]pyrimidin-2-ylidene]methyl]phenoxy]acetic acid 
2-[4-chloro-2-[3-(4-methoxyphenyl)-4-oxo-1,2-dihydroquinazolin-2-yl]phenoxy]acetic acid methyl ester 
2-[5-bromo-2-ethoxy-4-(hydroxymethyl)phenoxy]acetic acid 
2-\{4-[(6-chloroquinoxalin-2-yl)oxy]phenoxy\}propanoic acid +   
2-acetoxypropanal 
2-arylpropionic acid +   
2-chloro-3-\{2-chloro-5-[4-(difluoromethyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-4-fluorophenyl\}propanoic acid +  
2-deoxy-2-fluoro-aldehydo-D-glucose +  
2-Formaminobenzoylacetate 
2-formylglutaric acid 
2-formylporphyrin 
2-hydroxy-2-(4-hydroxybenzyl)succinic acid 
2-hydroxy-2H-benzo[h]chromene-2-carboxylic acid 
2-hydroxy-3-oxopropanoic acid 
2-Imidazolidone-4-carboxylic acid 
2-iminobutanoic acid 
2-iminopropionic acid 
2-L-arginyl-1,3-benzothiazole-6-carboxylic acid 
2-methyl-2-[4-(1,2,3,4-tetrahydronaphthalen-1-yl)phenoxy]propanoic acid +   
2-methyl-3-[(2E)-5-carboxy-3-methylpent-2-enyl]-1,4-naphthoquinone 
2-methyl-3-oxopropanoic acid +  
2-methyl-4-chlorophenoxybutyric acid 
2-methylquinoxaline-6-carboxylic acid 
2-O-(6-phosphono-alpha-D-mannosyl)-D-glyceric acid 
2-oxindole-3-acetic acid +  
2-phenylbutyric acid 
2-thienylacetic acid +  
20-oxo-5-O-beta-mycaminosyltylactone 
20-oxoleukotriene E4 
25-hydroxy-3-epidehydrotumulosic acid 
2H-imidazol-4-ylacetic acid 
3''-adenylylstreptomycin 
3'-hydroxy-4'-methoxydiclofenac 
3'-hydroxydiclofenac 
3,3',5,5'-tetraiodothyroacetic acid  
3,4,5-trimethoxydihydrocinnamic acid 
3,4-dihydro-7-methoxy-2-methylene-3-oxo-2H-1,4-benzoxazine-5-carboxylic acid 
3,4-dihydroxymandelaldehyde 
3,4-secoisopimara-4(18),7,15-triene-3-oic acid 
3,5-Dibromo-tyrosine 
3,5-dihydroxyphenylacetic acid 
3,5-diiodothyropropionic acid 
3,6-anhydro-D-galactose 
3,6-anhydro-D-glucose 
3,8-dioxooct-5-enoyl-CoA 
3-(10-methyl-9-anthryl)propanoic acid 
3-(2,2,3-trimethylcyclopent-3-enyl)cyclohex-3-enecarbaldehyde 
3-(2,3-dihydroxyphenyl)propanoic acid 
3-(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropanecarboxylic acid +   
3-(2-hydroxyphenyl)propanoic acid 
3-(2-methoxyethoxy)propanoic acid 
3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid 
3-(3,4-dihydroxyphenyl)propanoic acid +   
3-(3,4-dimethoxyphenyl)propanoic acid 
3-(3-hydroxyphenyl)propanoic acid +  
3-(3-sulfooxyphenyl)propanoic acid 
3-(4'-acetoxyphenyl)propionic acid 
3-(4-hydroxy-3,5-diiodophenyl)propanoic acid 
3-(4-oxo-4,5-dihydro-1H-imidazol-5-yl)propanoic acid 
3-(4-tert-butylamino-6-methylthiol-s-triazin-2-ylamino)propionaldehyde 
3-(cis-5,6-dihydroxycyclohexa-1,3-dienyl)propanoic acid +  
3-(imidazol-5-yl)pyruvic acid 
3-(N-Nitrosomethylamino)propionaldehyde 
3-(p-nitrophenyl)propanoic acid 
3-(progesterone-4-yl)thiopropionic acid 
3-(progesterone-7alpha-yl)thiopropionic acid 
3-(trimethylsilyl)propionic acid 
3-[(2-aminoethyl)sulfanyl]-6-ethyl-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(2-aminoethyl)sulfanyl]-6-methyl-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(2-aminoethyl)sulfanyl]-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(\{4-[4-(\{[1-(2-chlorophenyl)ethoxy]carbonyl\}amino)-3-methyl-1,2-oxazol-5-yl]phenyl\}methyl)sulfanyl]propanoic acid +  
3-[2-(trifluoromethyl)phenyl]propanoic acid +  
3-[3-(tert-butylsulfanyl)-1-(4-chlorobenzyl)-5-(propan-2-yl)-1H-indol-2-yl]-2,2-dimethylpropanoic acid  
3-[4-[[4-(aminomethyl)cyclohexyl]-oxomethoxy]phenyl]propanoic acid 
3-acetamido-3,5-dideoxy-L-lyxo-hept-6-ulopyranosuronic acid 
3-aminobutanoic acid +  
3-beta-O-(E)-coumaroyl-D:C-friedooleana-7,9(11)-dien-29-oic acid 
3-Bromo-tyrosine 
3-butynoic acid 
3-Carbamoyl-2-phenylpropionic acid 
3-chloroacrylaldehyde 
3-chloroacrylic acid +  
3-cyclopentylpropionic acid +  
3-dehydro-L-erythrose 4-phosphate 
3-formylsalicylic acid 
3-formylthiophene 
3-furaldehyde 
3-hydroxy-1-methoxy-9,10-dioxo-2-anthracenecarboxaldehyde 
3-hydroxy-3-phenylpropionic acid +  
3-hydroxylubimin 
3-hydroxyphenylacetic acid  
3-hydroxypicolinic acid  
3-Methoxyphenylacetic acid 
3-methyl-4-\{[(1Z)-prop-1-en-1-yl]oxy\}butanal 
3-methyl-pyrazole-4-carboxylic acid 
3-methylphenylacetic acid 
3-oxo-23-hydroxyurs-12-en-28-oic acid 
3-phenyl-3-(1-tetrazolyl)propanoic acid 
3-phenylpropionic acid +   
3-pyridylacetic acid 
3-sulfinopropionic acid +  
3-vinylbacteriochlorophyllide d 
3beta-acetoxyolean-18-en-28-oic acid 
3beta-hydroxycholest-5-en-26-oic acid +   
4',5-dihydroxydiclofenac 
4'-hydroxydiclofenac  
4'-O-demethylsordarin 
4,6-O-[(1R)-1-carboxyethylidene]-D-galactose +  
4-(2,2,3-trimethylcyclopent-3-enyl)cyclohex-3-enecarbaldehyde 
4-(2-thienyl)butyric acid 
4-(4-styrylphenylcarbamoyl)butyric acid 
4-(5-carboxypentanamido)antipyrine 
4-[(5-oxo-2-phenyl-1,3-oxazol-4-ylidene)methylamino]but-2-enoic acid 
4-[3-(3-nitrophenyl)-1,2,4-oxadiazol-5-yl]butanoic acid 
4-[4-(2,5-dioxopyrrolidin-1-yl)phenylamino]-4-hydroxybutyric acid 
4-bromo-1-hydroxyanthraquinone-2-carboxylic acid 
4-Bromophenyl acetate 
4-carboxy-4'-sulfoazobenzene 
4-carboxy-4-methylzymosterol 
4-carboxyzymosterol 
4-chlorophenylacetic acid 
4-Dimethylamino-L-phenylalanine 
4-formylsalicylic acid 
4-guanidinobutyric acid +  
4-hydroxy-1,2,5-oxadiazole-3-carboxylic acid 
4-Hydroxyhydratropate 
4-hydroxyphenylacetic acid +   
4-hydroxyphenylacetylglycine 
4-hydroxyphenylpyruvic acid oxime 
4-Hydroxypheoxyacetate 
4-methoxyphenylacetic acid 
4-methyl-2,2'-bipyridine-4'-carboxylic acid 
4-methyl-2-pyrroline-5-carboxylic acid +  
4-methyl-pyrazole-3-carboxylic acid 
4-methylaeruginoic acid 
4-Methylaminobutanal 
4-nitrophenyl (4-carboxybutyl)phosphonate 
4-oxo-4-(pyridin-3-yl)butanoic acid 
4-oxobutyl alpha-L-rhamnoside +  
4-phenylbutyric acid  
4-quinolone-3-carboxaldehyde 
4-sulfanylbutanoic acid +  
5(6)-carboxy-2',7'-dichlorofluorescein  
5,6,7,8-tetrahydro-2-naphthoic acid 
5,6,7,8-tetrahydropterin-6-carboxylic acid 
5-(2'-formylethyl)-4,6-dihydroxypicolinic acid 
5-(2,3-dimethoxy-4-methylphenyl)pentanoic acid 
5-(2-amino-5,6-dimethyl-1H-benzimidazol-1-yl)pentanoic acid 
5-[(2-aminobenzimidazol-6-yl)amino]-5-oxopentanoic acid 
5-[(4-nitrobenzyl)(phosphonomethyl)amino]valeric acid 
5-[(9Z)-hexadecenoyloxy]octadecanoic acid 
5-[(9Z)-octadecenoyloxy]octadecanoic acid 
5-\{N-[4-(4-cyanostyryl)phenyl]-N-methylamino\}pentanoic acid 
5-azaorotic acid  
5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid +   
5-carboxyfluorescein +   
5-dehydro-4-deoxy-2-O-sulfo-D-glucuronic acid 
5-dehydro-4-deoxy-D-glucuronic acid +  
5-formyluracil 
5-hydroxydiclofenac  
5-hydroxydiclofenac quinone imine 
5-hydroxyectoine 
5-methyl-pyrazole-3-carboxylic acid  
5-N-Methyloxaluric acid 
5-O-beta-D-mycaminosyl-20-oxotylonolide 
5-O-mycaminosyltylonolide 
5-oxotetrahydrofuran-2-carboxylic acid 
5-phenylpentanoic acid 
6'-oxoparomamine 
6-(4-hydroxy-3-nitrobenzamido)hexanoic acid 
6-(4-hydroxy-5-iodo-3-nitrobenzamido)hexanoic acid 
6-(6-\{3-[(progesterone-4-yl)thiopropionyl]aminohexanoyl\}amino)hexanoic acid 
6-[4-(5,5-dimethyltetrahydrofuran-3-yl)phenoxy]hexanoic acid 
6-\{3-[(progesterone-4-yl)thiopropionyl]amino\}hexanoic acid 
6-\{4-[hydroxy-(4-nitrophenoxy)phosphoryl]butyrylamino\}hexanoic acid 
6-\{5-[(2,4-diaminopyrimidin-5-yl)methyl]-2,3-dimethoxyphenyl\}hex-5-ynoic acid 
6-\{[5-(p-nitrophenoxy)-5-oxopentanoyl]amino\}hexanoic acid 
6-carboxyfluorescein +   
6-formylpterin  
6-ketopiperidine-2-carboxylic acid 
6-methoxy-2,6-dimethyloctanal 
6beta-[N-(carboxymethylamino)carbonyl]methoxy-17beta-estradiol 
7,8-dihydroxy-1-methoxy-3-methyl-10-oxo-1H,10H-pyrano[4,3-b]chromene-9-carboxylic acid 
7,8-dihydroxy-1-methoxy-3-methyl-10-oxo-4,10-dihydro-1H,3H-pyrano[4,3-b]chromene-9-carboxylic acid 
7,8-dihydroxy-3-methyl-10-oxo-10H-chromeno[3,2-c]pyridine-9-carboxylic acid 
7-(3-aminopyrrolidin-1-yl)-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid +  
7-[3-(3-cyclohexyl-3-hydroxypropyl)-2,5-dioxoimidazolidin-4-yl]heptanoic acid +   
7-carboxy-7-deazaguanine +  
7-deoxyloganetic aldehyde 
7-methoxycoumarin-4-acetic acid 
7alpha-hydroxy-3-oxo-4-cholestenoic acid 
7beta-aminodeacetoxycephalosporanic acid 
8'-(3-hydroxy-3-methylglutaryloxy)abscisic acid 
8,12-diethyl-3-vinylbacteriochlorophyllide d 
8-benzyl-7-hydroxy-4,10-dioxo-1-phenyl-6-oxa-3,9-diaza-7-phosphatetradecan-14-oic acid 7-oxide 
9-(2-carboxyethyl)-10-methylanthracene endoperoxide 
9-(methylsulfinyl)nonanoic acid 
9-(octadecanoyloxy)octadecanoic acid 
9-[(9Z)-hexadecenoyloxy]octadecanoic acid 
9-[(9Z)-octadecenoyloxy]octadecanoic acid 
9-mercaptodethiobiotin 
9beta-pimara-7,15-dien-19-al 
9beta-pimara-7,15-dien-19-oic acid 
[(2-ethyl-6-methylphenyl)(1-methoxypropan-2-yl)amino](oxo)acetic acid +  
[1-(5-phosphoribosyl)imidazol-4-yl]acetic acid 
[1-ethyl-8-(hydroxymethyl)-3H,4H,9H-pyrano[3,4-b]indol-1-yl]acetic acid 
abacavir 5'-carboxylic acid 
abietic acid +   
aceclofenac  
acemetacin  
acetaldehyde +   
acetic acid +   
acetochlor OXA 
acetyl aleuritolic acid 
acetylleucyl-leucyl-norleucinal  
acifluorfen  
ACT-333679 +  
acutoside A 
adapalene  
alborixin  
alcaftadine 
alclofenac  
aldehydic acid +   
A monocarboxylic acid derived from any dicarboxylic acid that has a retained name by the formal reduction of one of the carboxy groups to a formyl group. The resulting structure, also known as a semialdehyde, may be named by replacing the ending '...ic acid' of the retained name of the dicarboxylic acid by the ending '...aldehydic acid'. Aldehydic acids therefore contain one carboxy group and one aldehyde group.
aldehydo-ascarylose 
aldehydo-L-rhamnose 
aldonic acid +   
aliphatic aldehyde +   
alkanal 
alminoprofen 
alpha,beta-unsaturated aldehyde +   
alpha,beta-unsaturated monocarboxylic acid +   
alpha-(4-methoxyphenyl)-6-methyl-2-pyridineacrylic acid 
alpha-(p-Methoxyphenyl)-4-pyridineacrylic acid 
alpha-aminobutyric acid +  
alpha-CH2-containing aldehyde +   
alpha-D-Gal-(1->3)-alpha-D-Gal-(1->4)-D-GlcNAc-(CH2)5CO2H 
alpha-D-Kdo-4P-OAll 
alpha-D-Kdo-5P-OAll 
alpha-D-Ko 
alpha-ionylideneacetic acid 
alpha-Methyl-m-tyrosine 
Aluminum clofibrate 
amidinoproclavaminic acid 
amino aldehyde +   
amino monocarboxylic acid +  
aminonicotinic acid +   
amlexanox  
Amprotropine 
andrastin A  
Anisodamine 
Apoatropine 
Apohyoscine 
arenecarbaldehyde +   
aristolochic acid +   
arsonoacetic acid 
artemisinic aldehyde +  
arugosin A (hydroxy-aldehyde form) 
ascidiathiazone A 
ascidiathiazone B 
ascr#1 +  
ascr#10 +  
ascr#11 
ascr#12 +  
ascr#14 +  
ascr#16 +  
ascr#18 +  
ascr#20 +  
ascr#22 +  
ascr#24 +  
ascr#26 +  
ascr#28 +  
ascr#30 +  
ascr#32 +  
ascr#34 +  
ascr#36 +  
ascr#38 +  
ascr#5 
ascr#8 
ascr#9 +  
asiatic acid +   
aspergillusene B 
asprellic acid A 
asprellic acid C 
atenolol acid 
ATTO 465-2(1+) +  
ATTO 495-2 +  
ATTO 495-2(1+) +  
ATTO 520-2 +  
ATTO 520-2(1+) +  
aziridine aldehyde +  
baclofen  
ballodiolic acid 
ballotenic acid 
bayogenin 3-O-cellobioside 
benazolin +  
bendazac 
benoxaprofen  
benzimidazolecarboxylic acid +   
benzylpenillamine 
bepotastine 
beta-Aminopropion aldehyde 
beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-beta-D-GalpNAc +  
beta-D-Delta(4)-GlcpA-(1->4)-beta-D-Glcp-(1->4)-alpha-L-Rhap-(1->3)-D-Glcp +  
bevirimat 
bezafibrate  
bhas#10 +  
bhas#16 +  
bhas#18 +  
bhas#20 +  
bhas#22 +  
bhas#24 +  
bhas#26 +  
bhas#28 +  
bhas#30 +  
bhas#32 
bhas#34 
bhas#36 
bhas#38 
bhas#40 
bhas#42 
bhos#10 +  
bhos#16 +  
bhos#18 +  
bhos#20 +  
bhos#22 +  
bhos#24 +  
bhos#26 +  
bhos#28 
bhos#30 
bhos#32 
bhos#34 
bhos#36 
bhos#38 
bhos#40 
bhos#42 
bile acids +   
binifibrate 
biotins +   
biphenyl-4-ylacetic acid +  
bis(4-chlorophenyl)acetic acid 
BODIPY FL 
BODIPY R6G 
BODIPY-3823 
borrelidin  
breynceanothanolic acid 
bromochloroacetic acid  
buddlenol A 
bumadizone 
butanals +   
butynal +  
candoxatril 
canrenoic acid  
carbapenemcarboxylic acid +   
carbazic acid +   
carbidopa  
carbidopa (anhydrous) +   
carboxyfentanyl 
carminic acid 
carnosic acid  
carotenal +  
cathestatin A 
cathestatin B 
CD437 +   
celastolide 
celastrol  
cetirizine  
CGS-21680  
chaetopyranin 
chartaceone A +  
chlorambucil  
chlorophenoxyacetic acid +   
chromenemonocarboxylic acid +  
chrysanthemic acid +   
chrysobactin 
ciprofibrate  
cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylic acid +  
cis-heme d hydroxychlorin gamma-spirolactone +  
citronellal +   
clavaminic acid 
clethroidoside G 
clodinafop +  
clofencet 
clofibric acid +   
clofibride 
clopidogrel carboxylic acid 
cloquintocet 
cloransulam +  
CMP-5'-phosphonoformic acid 
cochalic acid 
concanamycin +   
CPP  
cyanoacetic acid +  
cyclitol carboxylic acid +   
cyclohexadienecarboxylic acid +  
cyclohexanecarboxylic acid +   
cyclohexenecarboxylic acid +   
cyclohexylacetic acid 
cyclopropanecarboxylic acid +   
cyclosporin A metabolite M1cAL 
dafachronic acids +  
DAS734 
decatromicin A 
decatromicin B 
deferasirox  
dehydroabietic acid 
dehydroeburiconic acid 
demethyllactenocin 
demethylmacrocin 
deoxyamidinoproclavaminic acid 
deoxylimonoic acid 
deoxyviolaceinic acid 
desferrialbomycins +  
desferrioxamine G 
desmethylnaproxen  
desmethylnaproxen sulfate 
dethiobiotin +  
dexketoprofen 
dialdehyde +   
dianversicoside G 
dibromoacetic acid  
dichloroacetic acid +   
diclofenac +   
diclofenac beta-D-glucosiduronic acid 
difloxacin 
difluoroacetic acid 
dihydro-5-azaorotic acid 
dihydroartemisinic acid 
dihydrocamalexic acid +  
dihydrochanoclavine-I aldehyde 
dihydroclavaminic acid 
dihydroferulic acid +  
dihydroorotic acid +   
dihydrourocanic acid 
dimethachlor OXA 
dimethenamid OXA 
diodone 
dioxanecarboxylic acid +  
diphenylacetic acid  
dithiolanecarboxylic acid +  
ectoine 
endocrocin 
enoxacin  
epalrestat  
epoxy monocarboxylic acid +   
etacrynic acid  
ethyl 4-oxobutanoate 
etodolac +   
etofibrate  
Eucomic acid, (-)- 
F420-0 
fatsicarpain B 
fatsicarpain C 
fatty acid +   
fellutamide C 
fellutamide D 
fenofibric acid 
fenoprofen  
Fenoprop  
finafloxacin 
fleroxacin 
flufenacet OXA 
flufenpyr +  
flunoxaprofen 
fluoroacetaldehyde 
fluoroalkanoic acid +   
flurbiprofen +   
fluroxypyr 
fluthiacet +  
formaldehyde +   
formic acid +   
formylindanone +  
formylthiophene 
FR207944 
fradafiban +  
fruticoside B 
fruticoside C 
fruticoside D 
fruticoside E 
fumagalone +  
fumimycin 
furfural 
furoic acid +   
FX1 
gabapentin enacarbil 
gamma-amino-gamma-cyanobutanoic acid +  
gamma-aminobutyric acid +   
gamma-glutamyl-gamma-aminobutyraldehyde 
gemifloxacin +  
germacra-1(10),4,11(13)-trien-12-oic acid 
geumonoid 
GI254023X 
gibberellin A12 aldehyde 
gibberellin A24 
gibberellin monocarboxylic acid +  
glomosporin 
glucoheptonic acid 
glyceraldehyde 3-phosphate +   
glycolaldehyde phosphate 
glycolaldehyde triphosphate 
glycolaldehydes +   
glyoxylate ester +  
grandiflorenic acid 
GW 0742 
GW 2433  
GW 409544 
GW 501516 +   
GW 501516 sulfone 
GW 501516 sulfoxide +  
GW 7647  
gypsogenin +  
gypsosaponin A 
gypsosaponin B 
gyromitrin 
hadacidin 
haloacetic acid +   
hbas#10 
hederacine A 
hederacine B 
Helminthosporal 
helvolic acid 
heteroarenecarbaldehyde +   
HEXYL 3-DEOXY-ALPHA-L-RIBO-HEXOPYRANOSIDE 
Hibiscoquinone A 
Homatropine  
homoplatensimide A +  
homovanillic acid +   
hydantoin-5-propionic acid 
hydroxy monocarboxylic acid +   
hydroxyaldehyde +   
hydroxybenzyltartaric acid 
hydroxypolyether aldehyde +  
ibha#10 
ibha#16 
ibha#18 
ibha#20 
ibha#22 
ibha#24 
ibha#26 
ibha#28 
ibha#30 
ibho#10 
ibho#16 
ibho#18 
ibho#20 
ibho#22 
ibho#24 
ibho#26 
ibufenac  
ibuprofen +   
icas#1 
icas#10 +  
icas#12 
icas#14 
icas#16 +  
icas#18 +  
icas#20 +  
icas#22 +  
icas#9 
icos#1 
icos#10 
icos#16 
icos#18 
icos#9 
iloprost  
imidazol-2-ylacetic acid 
imidazol-4-ylacetic acid 
imidazol-5-ylacetic acid 
imidazolylacetaldehyde +  
indanomycin 
indole-1-acetic acid 
indole-3-acetic acid +   
indoleacetaldehyde +   
indolecarboxylic acid +   
indoprofen  
integrastatin B 
inumakal 
inumakoic acid 
Iopanoic acid  
iophenoic acid 
Iopodic acid  
Ipodate Sodium 
Isoniazid pyruvate 
isopimaric acid 
Isovelleral 
isoxadifen +  
jaspamide G 
josamycin  
kalimantacin A 
kalimantacin C 
karetazan 
kermesic acid 
ketoaldehyde +   
laccaic acid D +  
lancifodilactone F 
lancilactone C 
lansioside A 
lesinurad 
leupeptin  
lignin cw compound-2047 
lignin cw compound-2055 
lilac aldehyde +  
liphagal 
lobohedleolide 
lonazolac 
lonidamine +   
loxoprofen +   
LSM-24476 
lucialdehyde B 
lucialdehyde C 
lumiracoxib  
luzonial A 
luzonial B 
luzonidial B 
macrocin 
madecassic acid +   
maoecrystal Z 
marbofloxacin 
marinolic acid C 
marneral 
martefragin A 
mbas#10 
Meclofenoxate  
Merphalan 
Mersalyl acid 
mesalamine  
metazachlor OXA 
methoxyacetic acid  
methyl red 
metrizoic acid 
miroprofen 
mitiglinide  
mollicellin B 
mollicellin C 
mollicellin E 
mollicellin F 
mollicellin H 
mollicellin J 
mollicellin K 
mollicellin L 
mollicellin M 
mollicellin N 
monensin A  
monodictyphenone 
monotropein  
montelukast +   
morellin +  
motualevic acid A 
motualevic acid F 
mupirocin 
muramic acid +  
mycophenolic acid +   
myrsinoic acid B 
myrsinoic acid C 
myrsinoic acid F 
N-(3,4-dichlorophenyl)malonamic acid 
N-(3-carboxypropanoyl)-N-hydroxyputrescine 
N-(trans-4'-nitro-4-stilbenyl)-N-methyl-5-aminopentanoic acid 
N-acetyl-alpha-neuraminyl-(2->6)-N-acetyl-alpha-D-galactosamine 
N-acetyl-D-galactosaminic acid 
N-acetylcitrulline +  
N-acetylkynurenine 
N-acetylmethionine +  
N-acyl-gamma-aminobutyric acid +  
N-benzoyl-4-methoxyanthranilic acid 
N-butyl-N-(3-carboxypropyl)nitrosamine 
N-carbamoyl-D-phenylglycine 
N-carbamoylglycine +  
N-ethylperfluorooctane sulfonamidoacetic acid 
N-methylperfluorooctane sulfonamidoacetic acid 
N-substituted pyrraline +  
nalidixic acid  
nanaomycin A 
naphthylacetic acid +   
naphthyloxyacetic acid +  
naproxen +   
neopentalenolactone D 
neurosporaxanthin 
nicofibrate 
nocamycin E +  
nocardicin E 
nocardicin F 
NOP 
NOPM 
Norhyoscyamine 
nygerone A 
O-benzoylecgonine 5-carboxypentyl ester 
olivetolic acid +   
omega-oxo fatty acid +   
orantinib  
oscr#1 +  
oscr#10 +  
oscr#12 +  
oscr#13 +  
oscr#14 +  
oscr#16 +  
oscr#18 +  
oscr#20 +  
oscr#22 +  
oscr#24 +  
oscr#26 +  
oscr#28 +  
oscr#30 +  
oscr#32 +  
oscr#34 +  
oscr#36 +  
oscr#38 +  
oscr#9 +  
oxaprozin  
oxazolinecarboxylic acid +  
oxo monocarboxylic acid +   
Oxyphencyclimine  
pacific blue +  
pannarin 
pefloxacin +  
penicillenic acid +  
perfluorooctane sulfonamidoacetic acid 
perillyl aldehyde  
pestalamide A 
pestalamide B 
phenazine-1-carboxylic acid  
phenobutiodil 
phenoxyacetic acid +   
phenylacetaldehydes +   
phenylacetic acid +   
phenylacetic acids +   
phenylacetylglycine +   
phenylpyruvic acid oxime 
phosphoenolpyruvic acid 
phosphonoacetic acid +   
pipemidic acid  
piperidinemonocarboxylic acid +   
pirifibrate 
piromidic acid 
piscidic acid 
plakortide F free acid 
platensic acid +  
platensimide A 
platensimycin B4 +  
PNCMB 
Polygodial  
polyneuridine aldehyde 
Portulacaxanthin II 
pre-putrebactin 
prednisolone-16-carboxylic acid +  
proclavaminic acid +  
progesterone 3-O-(carboxymethyl)oxime +  
propachlor OXA 
propanals +   
prosolanapyrone III 
prostaglandin F2alpha +   
protobassic acid +  
protodeoxyviolaceinic acid 
protoviolaceinic acid 
pteroic acids +   
purinemonocarboxylic acid +  
pyochelin +  
pyraflufen +  
pyranmonocarboxylic acid +  
pyridinemonocarboxylic acid +   
pyrimidinemonocarboxylic acid +   
pyrraline +  
pyrrolecarboxylic acid +  
pyrrolidinemonocarboxylic acid +   
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 
quinclorac +  
rel-hopan-27-al-6beta,11alpha,22-triol 
retinals +   
ritalinic acid  
robenacoxib 
roburic acid 
ronifibrate 
rosaramicin 
rosmarinic acid +   
rubiarboside G 28-al 
S-(1,2-dichlorovinyl)-L-cysteine +   
S-(4-oxobutan-2-yl)glutathione 
salamidacetic acid 
salzmannianoside A 
saroglitazar 
saturated monocarboxylic acid 
sch 210971 
sch 210972 +  
sintofen 
smenospongines C 
sordaricin 
SPF-32629B 
spiramycin I 
spiramycin II 
spongia-13(16),14-dien-19-oic acid 
Stachyline B 
Stachyline D 
steroid aldehyde +   
stipitatic acid 
SU5402 
suaveolindole 
Succinic aldehyde 
sulindac +   
sulindac sulfide  
sulindac sulfone  
suprofen  
surugapyrrole A 
surugapyrrole B 
suxibuzone  
syringolin A 
tafamidis  
tartrazine acid 
tazarotenic acid +   
tetrahydrofurancarboxylic acid +  
tetranorbiotin 
theogallin 
thiadiazolecarboxylic acid +  
thiazepinemonocarboxylic acid +  
thiazinemonocarboxylic acid +  
thiazolidinemonocarboxylic acid +  
Thiourocanic acid 
thromboxane B1 +  
tiaprofenic acid  
tienilic acid  
TMC-52A 
TMC-52B 
TMC-52C 
TMC-52D 
tolmetin  
tranexamic acid  
trans-4-tert-butylcyclohexanecarboxylic acid 
trans-heme d hydroxychlorin gamma-spirolactone 
trichlopyr  
trichloroacetaldehyde +   
trichloroacetic acid +   
trinexapac +  
triptohypol B 
triptohypol C 
trisporic acid 
Trolox 
trovafloxacin  
tubelactomicin A 
tylosin 
tyropanoate 
Tyropanoate sodium 
uracil-6-ylacetic acid 
uridin-5-yloxyacetic acid 
uridine-5'-aldehyde 
uronic acid +   
vadimezan  
valeraldehyde +  
valerenic acid 
valsartan +   
vellosimine 
versiconal hydroxyaldehyde form 
violaceinic acid 
weigelic acid 
WF14865A 
WF14865B 
ximoprofen 
yanuthone I 
Z-Val-Phe-H  
ZAPA 
zhankuic acid A +  
zhankuic acid B 
zhankuic acid C 
zomepirac  
zymosterol intermediate 1b 

Synonyms
Related Synonyms: Semialdehyd ;   aldehydic acids ;   semi-aldehyde ;   semi-aldehydes ;   semialdehyde ;   semialdehydes
Cyclic Relationships: is_conjugate_acid_of CHEBI:71944

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