(E)-3-(phenyldiazenyl)benzoic acid (R)-1-((benzyloxy)carbonyl)pyrrolidine-3-carboxylic acid 1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid 1,5-naphthyridine-3-carboxylic acid 1-((benzyloxy)carbonyl)piperidine-2-carboxylic acid 1-((benzyloxy)carbonyl)piperidine-3-carboxylic acid 1-((benzyloxy)carbonyl)pyrrolidine-3-carboxylic acid 1-methyl-1H-indole-2-carboxylic acid 1-naphthoic acid 1-phenyl-1H-imidazole-4-carboxylic acid 1-phenyl-1H-pyrazole-3-carboxylic acid 1-phenyl-1H-pyrazole-4-carboxylic acid 1-phenyl-1H-pyrazole-5-carboxylic acid 1-phenylcyclobutane-1-carboxylic acid 1-phenylcyclohexane-1-carboxylic acid 1-phenylcyclopropane-1-carboxylic acid 1H-benzo[d]imidazole-2-carboxylic acid 1H-benzo[d]imidazole-4-carboxylic acid 1H-benzo[d]imidazole-5-carboxylic acid 1H-imidazole-2-carboxylic acid 1H-imidazole-4-carboxylic acid 1H-indazole-3-carboxylic acid 1H-indazole-4-carboxylic acid 1H-indazole-5-carboxylic acid 1H-indazole-7-carboxylic acid 1H-indole-3-carboxylic acid 1H-indole-4-carboxylic acid 1H-indole-5-carboxylic acid 1H-indole-6-carboxylic acid 1H-indole-7-carboxylic acid 1H-pyrazole-4-carboxylic acid 1H-pyrazole-5-carboxylic acid 1H-pyrrole-2-carboxylic acid 1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid 1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid 1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid 2,3-difluorobenzoic acid 2,3-dihydrobenzo[b][1,4]dioxine-2-carboxylic acid 2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylic acid 2,4-difluorobenzoic acid 2,5-dichlorobenzoic acid 2,5-difluorobenzoic acid 2,6-dichlorobenzoic acid 2,6-difluorobenzoic acid 2-(1,3-dioxoisoindolin-2-yl)propanoic acid 2-(1H-indol-1-yl)acetic acid 2-(1H-indol-3-yl)acetic acid 2-(2-bromophenyl)acetic acid 2-(2-chlorophenyl)acetic acid 2-(2-fluorophenyl)acetic acid 2-(2-hydroxyphenyl)acetic acid 2-(2-methoxyphenyl)acetic acid 2-(2-methyl-1H-indol-3-yl)acetic acid 2-(2-nitrophenyl)acetic acid 2-(2-oxo-2H-chromen-4-yl)acetic acid 2-(3-fluorophenyl)acetic acid 2-(3-hydroxyphenyl)acetic acid 2-(3-methoxyphenyl)acetic acid 2-(4-chlorophenoxy)acetic acid 2-(4-fluorophenyl)acetic acid 2-(4-methoxyphenyl)acetic acid 2-(4-nitrophenyl)acetic acid 2-(benzofuran-3-yl)acetic acid 2-(m-tolyl)acetic acid 2-(morpholin-2-yl)acetic acid 2-(o-tolyl)acetic acid 2-(p-tolyl)acetic acid 2-(phenylamino)benzoic acid 2-(pyridin-3-yl)acetic acid 2-(pyrrolidin-1-yl)benzoic acid 2-(pyrrolidin-2-yl)acetic acid 2-(pyrrolidin-3-yl)acetic acid 2-(thiazol-4-yl)acetic acid 2-(trifluoromethoxy)benzoic acid 2-(trifluoromethyl)benzoic acid 2-amino-2-(2-fluorophenyl)acetic acid 2-amino-3,3-diphenylpropanoic acid 2-amino-3-(2-fluorophenyl)propanoic acid 2-amino-3-bromobenzoic acid 2-amino-3-chlorobenzoic acid 2-amino-6-chlorobenzoic acid 2-benzoylbenzoic acid 2-bromo-4-fluorobenzoic acid 2-bromo-4-methylbenzoic acid 2-bromo-6-fluorobenzoic acid 2-bromo-6-methylbenzoic acid 2-chloro-3-methoxybenzoic acid 2-chloro-3-methylbenzoic acid 2-chloro-3-nitrobenzoic acid 2-chloro-4-fluorobenzoic acid 2-chloro-4-methylbenzoic acid 2-chloro-6-fluorobenzoic acid 2-chlorobenzoic acid 2-cyclohexylacetic acid 2-fluoro-4-methylbenzoic acid 2-fluoro-5-methoxybenzoic acid 2-fluorobenzoic acid 2-fluorocyclopropane-1-carboxylic acid 2-iodobenzoic acid 2-methoxyisonicotinic acid 2-methyl-2-phenylpropanoic acid 2-methyl-3-nitrobenzoic acid 2-naphthoic acid 2-nitrobenzoic acid 2-oxo-2-phenylacetic acid 2-oxo-2H-chromene-3-carboxylic acid 2-phenoxypropanoic acid 3-((tert-butoxycarbonyl)amino)-4-(2-fluorophenyl)butanoic acid 3-(1H-indol-3-yl)propanoic acid 3-(2-fluorophenyl)acrylic acid 3-(3-chlorophenyl)acrylic acid 3-(3-chlorophenyl)propanoic acid 3-(3-methoxyphenyl)propanoic acid 3-(benzyloxy)benzoic acid 3-(chlorosulfonyl)benzoic acid 3-(methylsulfonyl)benzoic acid 3-(phenyldiazenyl)benzoic acid 3-(piperazin-1-yl)benzoic acid 3-(trifluoromethoxy)benzoic acid 3-(trifluoromethyl)benzoic acid 3-benzamidopropanoic acid 3-bromo-2-chlorobenzoic acid 3-bromo-2-fluorobenzoic acid 3-bromo-2-hydroxybenzoic acid 3-bromo-4-chlorobenzoic acid 3-bromo-4-fluorobenzoic acid 3-bromo-4-hydroxybenzoic acid 3-bromo-4-methoxybenzoic acid 3-bromo-4-methylbenzoic acid 3-bromobenzoic acid 3-chloro-2-fluorobenzoic acid 3-chloro-2-methoxybenzoic acid 3-chloro-4-fluorobenzoic acid 3-chloro-4-methoxybenzoic acid 3-chlorobenzoic acid 3-fluoro-4-methoxybenzoic acid 3-fluorobenzoic acid 3-fluoropicolinic acid 3-iodobenzoic acid 3-methoxy-4-nitrobenzoic acid 3-methylpicolinic acid 3-nitrobenzoic acid 3-phenoxybenzoic acid 3-phenoxypropanoic acid 4-(1H-pyrazol-1-yl)benzoic acid 4-(benzyloxy)benzoic acid 4-(phenyldiazenyl)benzoic acid 4-(trifluoromethyl)nicotinic acid 4-amino-3-chlorobenzoic acid 4-benzamidobenzoic acid 4-cyclohexylbenzoic acid 4-fluoro-3-iodobenzoic acid 4-fluorobenzoic acid 4-methylnicotinic acid 4-morpholinobenzoic acid 4-nitrobenzoic acid 4-oxo-1,4-dihydroquinoline-3-carboxylic acid 4-oxo-4-(phenylamino)butanoic acid 4-oxo-4-phenylbutanoic acid 4-oxopiperidine-2-carboxylic acid 4-phenoxybenzoic acid 4-phenylbutanoic acid 5'-(4-carboxyphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid 5-oxotetrahydrofuran-2-carboxylic acid 5-phenyl-1H-pyrazole-3-carboxylic acid 5-phenylfuran-2-carboxylic acid 5-phenylisoxazole-3-carboxylic acid 6,6-dimethylmorpholine-3-carboxylic acid 6-methoxypicolinic acid 6-methylnicotinic acid 6-methylpicolinic acid 6-oxopiperidine-2-carboxylic acid 6-phenylpicolinic acid 7-fluoro-1H-indole-2-carboxylic acid [1,1'-biphenyl]-2-carboxylic acid [1,1'-biphenyl]-3-carboxylic acid azetidine-2-carboxylic acid benzo[b]thiophene-2-carboxylic acid benzo[d]thiazole-6-carboxylic acid benzofuran-2-carboxylic acid benzofuran-3-carboxylic acid benzoic acid benzoylglycine bicyclo[1.1.1]pentane-1-carboxylic acid chromane-2-carboxylic acid chromane-3-carboxylic acid cyclobutanecarboxylic acid cyclohex-1-ene-1-carboxylic acid cyclohex-3-ene-1-carboxylic acid cyclohexanecarboxylic acid cyclopentanecarboxylic acid cyclopropanecarboxylic acid ethyl 5-oxopyrrolidine-2-carboxylate furan-2-carboxylic acid furan-3-carboxylic acid imidazo[1,2-a]pyridine-2-carboxylic acid imidazo[1,2-a]pyridine-3-carboxylic acid imidazo[1,2-a]pyridine-5-carboxylic acid imidazo[1,2-a]pyridine-7-carboxylic acid imidazo[1,2-a]pyridine-8-carboxylic acid imidazo[1,2-a]pyrimidine-3-carboxylic acid indoline-2-carboxylic acid isonicotinic acid isoquinoline-1-carboxylic acid isoquinoline-3-carboxylic acid isoquinoline-4-carboxylic acid isoquinoline-5-carboxylic acid isoquinoline-6-carboxylic acid isoxazole-3-carboxylic acid isoxazole-5-carboxylic acid methyl benzofuran-2-carboxylate methyl isoquinoline-3-carboxylate morpholine-2-carboxylic acid morpholine-3-carboxylic acid nicotinic acid oxazole-4-carboxylic acid picolinic acid piperidine-2-carboxylic acid piperidine-3-carboxylic acid piperidine-4-carboxylic acid proline pyrazine-2-carboxylic acid pyrazolo[1,5-a]pyrimidine-3-carboxylic acid pyridazine-3-carboxylic acid pyridine-2,6-dicarboxylic acid pyrimidine-2-carboxylic acid pyrimidine-4-carboxylic acid pyrimidine-5-carboxylic acid pyrrolidine-3-carboxylic acid tetrahydrofuran-2-carboxylic acid tetrahydrofuran-3-carboxylic acid thiazole-2-carboxylic acid thiazole-4-carboxylic acid thiazole-5-carboxylic acid thiophene-3-carboxylic acid tryptophan

(R)-2-amino-acetic acid (R)-2-amino-propanoic acid (R)-2-hydroxy-acetic acid (R)-2-hydroxypropanoic acid (R)-3-(boc-amino)-3-propanoic acid (R)-3-amino-propanoic acid (S)-2-((tert-butoxycarbonyl)amino)-acetic acid (S)-2-amino-acetic acid (S)-2-amino-propanoic acid (S)-2-hydroxy-acetic acid (S)-3-(boc-amino)-3-propanoic acid (S)-3-(boc-amino)-4-butanoic acid (S)-3-amino-4-butanoic acid (S)-methyl 2-amino-3-propanoate (tert-butoxycarbonyl)amino)-acetic acid (tert-butoxycarbonyl)amino-acetic acid 2,2-difluoroacetic acid 2-((tert-Butoxycarbonyl)amino)-propanoic acid 2-(boc-amino)-propanoic acid 2-(tert-butoxycarbonyl)aminobutanoic acid 2-amino-acetic acid 2-Amino-propanoic acid 2-cyano-acrylic acid 2-hydroxyacetic acid 2-hydroxypropanoic acid 2-methyl-2-oxypropanoic acid 2-methylpropanoic acid 2-oxopropanoic acid 2-oxy-propanoic acid 2-propanoic Acid 2-propionic acid 2-thioacetic acid 3-(boc-amino)-3-propanoic acid 3-(boc-amino)-butanoic acid 3-(oxy)propanoic acid 3-amino propanoic acid 3-amino-butyric acid 3-aminopropanoic acid 3-methyl-butanoic acid 4-amino-4-oxobutanoic acid 4-butanoic acid 4-oxo-butanoic acid 5-oxo-pentanoic acid acetic acid aceticacid acetylbenzoic acetylbenzoic acid acrylic acrylic acid amino-2-oxoacetic acid aminobenzoic aminobutanoic aminocarboxylic acid aminoheptanoic aminohexanoic aminoisonicotinic-acid aminoisoquinoline-carboxylic-acid aminonicotinic aminonicotinic acid aminooctanoic aminopentanedioic aminopentanoic aminophenylacetic aminophenylacetic acid aminophthalic aminopropanoic aminoundecanoic aminoundecanoic acid benzenedicarboxylic benzenedicarboxylic acid benzimidazole-carboxylic-acid benzo-carboxylic acid benzofuran-carboxylic-acid benzoic benzothiazole-carboxylic-acid benzothiophene-carboxylic-acid benzoxazine-carboxylic-acid benzoxazole-carboxylic-acid benzylpropanoic benzylpropanoic acid benzylsuccinic benzylsuccinic acid boc-amino-carboxylic acid boronobenzoic bromo-indole-carboxylic-acid bromobenzoic bromobutanoic bromododecanoate bromoindazole-carboxylic-acid bromoisonicotinic bromoisonicotinic acid bromonicotinic bromonicotinic acid bromooctanoate bromophenylacetic bromophenylacetic acid bromovalerate butanoic butanoic acid carbazole-carboxylic-acid carboxylate carboxylic acid-hydrochloride carboxylic-acid-hydrochloride chlorindazole-carboxylic-acid chlorobenzoic chloroisophthalic chloromandelic chloromandelic acid chloropropanoic chroman-carboxylic chromene-carboxylic acid cinnamic acid cyanonicotinic cyanonicotinic acid cyanopropanoic cyclobutanecarboxylic cyclopropanecarboxylic diacetic diacetic diaminobenzoic diaminobutanoic diaminohexanoic dibenzoic dibromobenzoic dibromobenzoic acid dibromonicotinic dibromonicotinic acid dicarboxylic dicarboxylic dicarboxylic acid dichlorobenzoic dichlorobenzoic acid dichloroisonicotinic dichloroisonicotinic acid dichlorophenylacetic dichlorophenylacetic acid dienoate dienoic difluorobenzoic difluorobutanoic difluoroisonicotinic difluoroisonicotinic acid difluorophenylacetic difluorophenylacetic acid difluorophthalic difluoropropanoic diiodobenzoic diisophthalic diisophthalic acid diisopropylbenzoic diisopropylbenzoic acid dimethoxybenzoic dimethoxyphenylacetic dimethoxyphenylacetic acid dimethyl-pyrazole-carboxylic acid dimethylbenzoic dimethylbutanoic dimethylbutanoic dimethylpropanoic dinitrobenzoic diphenylbutanoic diphenylphosphinic diphenylpropanoic dipropionate diyldimethanol dodecanoic dodecanoic enedioic enoic ethoxybenzoic ethyl 2,2-difluoro-acetate ethylbenzoic ethylbenzoic acid ethynylbenzoic ethynylbenzoic acid fluorene-carboxylic-acid fluorindole-carboxylic-acid fluoro-indazole-carboxylic-acid fluorobenzoic fluorocarboxylic acid fluoroisophthalic fluoroisophthalic acid fluorophenylacetic fluorophenylacetic acid fluorophthalic fluorophthalic acid fluoropicolinic formylbenzoic formylbenzoic acid guanidinopentanoic heptanoic heptanoic hexacarboxylic hexacarboxylic hexacarboxylic acid hexanoic hexanoic hexanoic acid hydrazinylbenzoic hydrazinylbenzoic acid hydroxy-carboxylic acid hydroxyacetate hydroxycyclobutanecarboxylate hydroxycyclohexanecarboxylate hydroxynicotinic imidazole-carboxylic acid imidazopyridine-carboxylic-acid indazole-carboxylic acid indene-carboxylic acid indene-carboxylic-acid indolecarboxylic indoline-carboxylic-acid isonicotinic isophthalic isophthalic acid isopropoxybenzoic isopropoxybenzoic acid isopropylbenzoic isopropylnicotinic isopropylnicotinic acid isoquinolinecarboxylic isothiazole-carboxylic-acid isoxazolecarboxylic malonate malonic malonic mercaptobenzoic mercaptobenzoic acid mercaptopropanoic methoxy-acetic acid methoxybenzoic methoxybutanoic methoxybutanoic methoxyindazole-carboxylic-acid methoxyisophthalic methoxyisophthalic acid methoxyphenylacetic methoxyphenylacetic acid methoxypropanoic methoxypropanoic methyl acetate methyl-carboxylic acid methyl-indazole-carboxylic-acid methyl-indole-carboxylic-acid methyl-pyrazole-carboxylic-acid methylbenzoic methylbutanoic methylbutanoic methylcinnamic methylcinnamic acid methylhexanoic methylhexanoic methylisophthalic methylisophthalic acid methylnicotinic methyloctanoic methylpentanoic methylpentanoic methylpropanoic methylsuccinic morpholine-carboxylic-acid naphthoic naphthyridine-carboxylic acid nitrobenzoic nitroisonicotinic nitroisonicotinic acid nitroisophthalic nitroisophthalic acid nitronicotinic nitrophthalic nitropicolinic octanoic octanoic oxadiazole-carboxylic acid oxazole-carboxylic-acid oxoacetic oxobutanoic oxobutanoic oxodecanoic oxodecanoic oxododecanoic oxododecanoic oxoheptanoic oxoheptanoic oxoheptanoic acid oxohexadecanoic oxohexadecanoic oxohexanoic oxohexanoic oxooctadecanoic oxooctadecanoic oxopentanoic oxopentanoic oxopropanoic oxyacetic acid pentanedioic pentanedioic pentanoic pentanoic acid phenoxyacetic phenoxybenzoic phenoxypropanoic phenylacetic phenylbutanoic phenylpentanoic phenylpropanoic picolinic piperazine-carboxylic-acid piperidine-carboxylic acid piperidinecarboxylate propanoic propanoic acid propenoic propiolic propiolic acid propylbenzoic pyran-carboxylic-acid pyrazinecarboxylic pyrazole-carboxylic acid pyrazolopyridine-carboxylic-acid pyridazinecarboxylic pyridinecarboxylic pyrrole-carboxylic acid pyrrolidine-carboxylic acid pyrrolopyridine-carboxylic-acid quinazoline-carboxylic-acid quinoline-carboxylic acid quinoxaline-carboxylic-acid succinic sulfamoylbenzoic sulfobenzoic sulfopropanoic sulfopropanoic terephthalic tetraacetic tetrabenzoic tetrabenzoic acid tetracarboxylic tetrahydrofuran-carboxylic-acid tetrahydroisoquinoline-carboxylic-acid tetrahydropyran-carboxylic-acid tetrahydroquinoline-carboxylic-acid thiadiazole-carboxylic thiadiazole-carboxylic-acid thiazole-carboxylic acid thiazolidine-carboxylic thiomorpholine-carboxylic-acid thiophenecarboxylic thiopropanoic acid triazole-carboxylic triazole-carboxylic-acid tribenzoic tribenzoic acid tricarboxylic trichlorobenzoic trichlorobenzoic acid trifluoroacetic trifluorobenzoic trifluorobenzoic acid trifluorobutanoic trifluoromethyl-cinnamic-acid trifluoromethyl-nicotinic acid trifluoromethylbenzoic trifluoromethylbenzoic acid trifluoropentanoic trifluorophenylacetic trifluorophenylacetic acid trifluoropropanoic triiodobenzoic trimethoxybenzoic trimethylbenzoic trimethylbenzoic acid

Acridines Aliphatic Heterocycles Aromatic Heterocycles Azetidines Benzimidazoles Benzisoxazoles Benzodioxans Benzofurans Benzothiazoles Benzothiophenes Benzoxazoles Cinnolines Dioxolanes Furans Guanidines Imidazoles Imidazolidines Imidazolines Indazoles Indoles Indolines Isoquinolines Isothiazoles Isoxazoles Morpholines Naphthyridines Non-Halogenated Heterocycles Other Aliphatic Heterocycles Other Aromatic Heterocycles Oxadiazoles Oxazoles Oxazolidines Oxetanes Phthalazines Piperazines Piperidines Purines Pyrans Pyrazines Pyrazoles Pyridazines Pyridines Pyrimidines Pyrroles Pyrrolidines Pyrrolines Quinazolines Quinolines Quinoxalines Quinuclidines Spiroes Tetrahydrofurans Tetrahydroisoquinolines Tetrahydropyrans Tetrahydroquinolines Tetrazoles Thiadiazoles Thiazines Thiazoles Thiazolidines Thiomorpholines Thiophenols Triazines Triazoles

Alcohols Aldehydes Aliphatic Chain Hydrocarbons Aliphatic Cyclic Hydrocarbons Alkenyls Alkyls Alkynyls Amides Amidines Amines Aryls Benzyl bromides Benzyl Chlorides Bromides Carboxylic Acid Salts Chiral Building Blocks Chlorides Difluoromethyls Esters Ethers Fluorinated Building Blocks Hydrazides Hydrazines Hydroxylamines Iodides Ketones Nitriles Nitroes Oximes Phenols Phosphoruses Sulfamides Sulfides Sulfonates Sulfones Sulfonic Acids Sulfonyl Chlorides Thioesters Thiophenes Thioureas Trifluoromethyls Ureas

R–COOH