tert-butyl 4-[(2E)-3-(dimethylamino)prop-2-enoyl]piperidine-1-carboxylate

1-(2-fluorobenzoyl)piperidine-4-carboxylic acid

1-[(5-oxo-1-phenylpyrrolidin-3-yl)carbonyl]piperidine-4-carboxylic acid

3-(5-{[(4-methylphenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)propanoic acid

1-[(5-{[(4-methylphenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)carbonyl]piperidine-3-carboxylic acid

3-(3-methyl-1-phenyl-1H-1,2,4-triazol-5-yl)propanoic acid

4-(5-{[(5-phenyl-1,3,4-thiadiazol-2-yl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)butanoic acid

4-({[5-(3-methoxybenzyl)-1,3,4-thiadiazol-2-yl]carbonyl}amino)benzoic acid

[1-(2-chlorobenzoyl)piperidin-4-yl]acetic acid

3-(3-ethyl-1-phenyl-1H-1,2,4-triazol-5-yl)propanoic acid

ethyl 5-{[(5-methyl-1,3,4-thiadiazol-2-yl)amino]carbonyl}-1,3,4-thiadiazole-2-carboxylate