4-(3-Amino-5-bromo-1H-1,2,4-triazol-1-yl)butanenitrile

3-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}-2-methylpropanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[2-(1,3-thiazol-2-yl)ethyl]carbamoyl}propanoic acid

ethyl 2-(4-amino-3-methyl-1H-pyrazol-1-yl)acetate

rac-3-{[(1R,3R,5R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.1.0]hexan-1-yl]formamido}-4,4-difluorobutanoic acid

3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]-4,4-difluorobutanoic acid

4-[(3-bromo-4-chlorophenyl)carbamoyl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

(2S)-2-({2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]-1,3-thiazol-4-yl}formamido)pentanoic acid

3-(2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}ethoxy)propanoic acid

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

(2S)-2-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylheptanamido]propanoic acid