4-Ethyl-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

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

4-{[(Tert-butoxy)carbonyl]amino}-2-cyclopentylpyrimidine-5-carboxylic acid

4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-amido]-1-methyl-1H-pyrazole-5-carboxylic acid

Tert-butyl 2-amino-3-fluoro-5-methylbenzoate

rac-ethyl 1-[(3R,4S)-4-aminooxolan-3-yl]-1H-1,2,3-triazole-4-carboxylate

2-{[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]methyl}-1,3-thiazole-5-carboxylic acid

2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanamido]methyl}-1,3-thiazole-5-carboxylic acid

2-({[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}methyl)-1,3-thiazole-5-carboxylic acid

5-({[(Benzyloxy)carbonyl]amino}methyl)pyrazolo[1,5-a]pyridine-3-carboxylic acid

1-{1-[(benzyloxy)carbonyl]piperidin-3-yl}-4-methyl-1H-pyrazole-3-carboxylic acid