3-Formylindol-1-yl-acetic acid

2-Benzylisoindoline-4-carboxylic acid

2-Benzyl-1,2,3,4-tetrahydroisoquinoline-8-carboxylic acid

6-Benzyl-5,6,7,8-tetrahydro-1,6-naphthyridine-2-carboxylic acid

1-(BOC)-4-piperidineacetic acid

(S)-2-(3-(tert-Butoxycarbonylamino)-2-oxopiperidin-1-yl)acetic acid

2-(3-(tert-Butoxycarbonylamino)-2-oxopyrrolidin-1-yl)acetic acid

6-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylic acid

6-(tert-Butoxycarbonyl-)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-2-carboxylic acid

4-(1,3-Dioxo-1,3-dihydro-2H-Isoindol-2-yl)butanoic Acid
4-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)butyric acid

Isoindoline-5-carboxylic acid

1-(tert-Butoxycarbonylamino)-2,2-difluorocyclopropanecarboxylic acid

(2S,4S)-1-(tert-Butoxycarbonyl)-4-fluoropyrrolidine-2-carboxylic acid
N-t-BOC-cis-4-Fluoro-L-proline

(2S,4R)-1-(tert-butoxycarbonyl)-4-fluoropyrrolidine-2-carboyxlic acid
N-t-BOC-trans-4-Fluoro-L-Proline

(S)-1-(tert-Butoxycarbonyl)-4,4-difluoropyrrolidine-2-carboxylic acid
N-t-BOC-4,4-Difluoro-L-Proline

5-Bromo-1H-benzoimidazole-2-carboxylic acid
6-Bromo-1H-benzoimidazole-2-carboxylic acid

2,5-Dibromopyridine-4-carboxylic acid
2,5-Dibromoisonicotinic acid

3-Iodo-4-pyridinecarboxylic acid

4-Iodopyridine-2-carboxylic acid

Potassium (6-carboxypyridin-3-yl)trifluoroborate

potassium trifluoro(6-fluoropyridin-3-yl)borate

3-Carboxy-4-fluorophenylboronic acid

4-Carboxy-3-fluorophenylboronic acid

3-Carboxy-5-nitrophenylboronic acid

2-Carboxyphenylboronic acid

3-Carboxyphenylboronic acid

4-Carboxyphenylboronic acid

3-Carboxyphenylboronic acid, pinacol ester

4-Carboxyphenylboronic acid, pinacol ester

Acetylaminothiazole-5-carboxylic acid

2-Amino-5-bromonicotinic acid
2-Amino-5-bromopyridine-3-carboxylic acid

5-Aminonicotinic acid

2-(3-Amino-1H-pyrazol-5-yl)acetic acid

5-Aminopyridine-2-carboxylic acid

2-Aminopyrimidine-4-carboxylic acid

2-Amino-4-thiazolecarboxylic acid HBr

2-Aminothiazole-4-carboxylic acid

2-Aminothiazole-5-carboxylic acid

2-(N-BOC)-Aminothiazole-5-carboxylic acid

1H-Benzimidazole-4-carboxylic acid

Benzothiazole-5-carboxylic acid
Benzo[d]thiazole-5-carboxylic acid

5-(Benzyloxy)-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid

1-N-BOC-Azetidine-3-carboxylic acid
1-(tert-Butoxycarbonyl)azetidine-3-carboxylic acid

3-Bromo-5-chloropyridine-2-carboxylic acid

5-Bromo-3-chloropyridine-2-carboxylic acid

5-Bromo-3-fluoropyridine-2-carboxylic acid

6-Bromoimidazo[1,2-a]pyridine-8-carboxylic acid

3-(2-Bromoimidazo[2,1-b]thiazol-6-yl)propanoic acid HCl

6-Bromo-1H-indazole-3-carboxylic acid

5-Bromoindole-2-carboxylic acid

2-Bromo-5-methylthiophene-3-carboxylic acid

4-Bromo-1H-pyrazole-3-carboxylic acid

2-Bromopyridine-4-carboxylic acid
2-Bromoisonicotinic acid

6-Bromo-2-pyridinecarboxylic acid

2-Bromo-4-thiazolecarboxylic acid

2-Bromo-5-thiazolecarboxylic acid

5-Bromothiazole-4-carboxylic acid

3-Bromo-4H-thieno[3,2-b]pyrrole-5-carboxylic acid

4-Bromo-2-thiophenecarboxylic acid

2-(2-(tert-Butoxycarbonylamino)thiazol-5-yl)acetic acid

7-(tert-Butoxycarbonyl)-3-bromo-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylic acid

7-(tert-Butoxycarbonyl)-3-chloro-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylic acid

5-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine-2-carboxylic acid

7-(tert-Butoxycarbonyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine-3-carboxylic acid

(4-carbamoylpiperazin-1-yl)acetic acid

5-Chloro-3-fluoropyridine-2-carboxylic acid

2-Chloro-3-hydroxyquinoline-4-carboxylic acid

1-Chloroisoquinoline-5-carboxylic acid

6-Chloropyrazolo[1,5-a]pyridine-2-carboxylic acid

2-Chloropyrimidine-4-carboxylic acid

2-Chloropyrimidine-5-carboxylic acid

4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid

5-Chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid

5-Chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid

6-Chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid

6-Chloro-1H-pyrrolo[3,2-c]pyridine-2-carboxylic acid

2-Chlorothiazole-4-carboxylic acid

2-Chloro-5-thiazolecarboxylic acid

7-Chlorothieno[3,2-b]pyridine oxalic acid

4-Chlorothieno[3,2-d]pyrimidine-6-carboxylic acid

2,4-Dichloropyridine-3-carboxylic acid
2,4-Dichloronicotinic acid

3,5-Dichloro-2-pyridinecarboxylic acid

3,6-Difluoropyridine-2-carboxylic acid

1,4-Benzodioxan-5-carboxylic acid
2,3-Dihydro-1,4-benzodioxin-5-carboxylic acid

3,4-Dihydro-4-oxoquinazoline-6-carboxylic acid

5,6-Dihydro-2H-pyran-3-carboxylic acid

3,4-Dihydroxy-3-cyclobutene-1,2-dione
Squaric acid

Ethyl 7-chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate

Ethyl 6,7-dichloro-3-hydroxyquinoxaline-2-carboxylate

Ethyl 4-nitro-1H-pyrrole-2-carboxylate

4-Fluoro-1H-indazole-5-carboxylic acid

6-Fluoroindole-2-carboxylic acid

3-(3-Furyl)acrylic acid

2-Hydroxypyridine-4-carboxylic acid
2-Hydroxyisonicotinic acid

2-Hydroxypyrimidine-5-carboxylic acid

6-Hydroxypyrimidine-4-carboxylic acid
1,6-Dihydro-6-oxo-4-pyrimidinecarboxylic acid

3-Hydroxy-5-trifluoromethylthiophene-2-carboxylic acid

5H-Imidazo[1,2-b]pyrazole-2-carboxylic acid

3-(Imidazo[2,1-b]thiazol-6-yl)propanoic acid HCl

1H-Indazole-4-carboxylic acid

1H-Indazole-5-carboxylic acid

1H-Indazole-6-carboxylic acid

1H-Indazole-7-carboxylic acid

S-(-)-Indoline-2-carboxylic acid

Isoquinoline-3-carboxylic acid
3-Isoquinolinecarboxylic acid

Isoquinoline-4-carboxylic acid

Isoquinoline-5-carboxylic acid

(E)-3-Methoxy-2-butenoic acid

5-Methoxy-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid

5-Methoxy-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid

Methyl 5-bromo-1H-benzo[d]imidazole-2-carboxylate

1-Methyl-1H-imidazole-5-carboxylic acid

3-(2-Methylimidazo[2,1-b]thiazol-6-yl)propanoic acid HCl

5-Methylisoxazole-4-carboxylic acid
5-Methyl-4-isoxazolecarboxylic acid

5-Methyl-1,3-oxazole-4-carboxylic acid
5-Methyloxazole-4-carboxylic acid

6-Methyl-3-oxo-2,3-dihydropyridazine-4-carboxylic acid

4-Methylpyridine-3-carboxylic acid
4-Methylnicotinic acid

2-Methylquinoline-6-carboxylic acid

2-Methylthiazole-5-carboxylic acid

2-Methylthiazole-4-carboxylic acid
2-Methyl-1,3-thiazole-4-carboxylic acid

5-Methylthiazole-4-carboxylic acid

5-Methylthiophene-3-carboxylic acid

b-Phthalimidopropionic acid
3-(Phthalimid-1-yl)propanoic acid

4-Piperazin-1-yl-benzoic acid

Pyrazine-2-carboxylic acid

Pyridazine-3-carboxylic acid

Pyridazine-4-carboxylic acid
4-Pyridazinecarboxylic acid

Pyridine-3,4-dicarboxylic Acid

Pyrimidine-2-carboxylic acid

Pyrimidine-4-carboxylic acid

Pyrimidine-5-carboxylic acid
5-Pyrimidinecarboxylic acid

3-(Pyrimidin-4-yl)benzoic acid

Pyrrolo[1,2-c]pyrimidine-3-carboxylic acid

Quinoline-5-carboxylic acid

8-Quinolinecarboxylic acid

Quinoxaline-6-acetic acid
Quinoxalin-6-yl-acetic acid

Quinoxaline-6-carboxylic acid

1,4,5,6-Tetrahydrocyclopentapyrazole-3-carboxylic acid
Cyclopentapyrazole-3-carboxylic acid

1-(Tetrahydropyranyl)-1H-indazole-5-carboxylic acid
1-(Tetrahydro-pyran-2-yl)-1H-indazole-5-carboxylic acid

Thiazole-4-carboxylic acid

Thiazole-5-carboxylic acid

5-Trifluoromethyl-1H-benzoimidazole-2-carboxylic acid
6-Trifluoromethyl-1H-benzoimidazole-2-carboxylic acid

5-(Trifluoromethyl)pyridine-2-carboxylic acid
5-(Trifluoromethyl)picolinic acid

3-(Cyanomethyl)-5-methoxy-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid