6-(2-Chlorophenyl)pyrimidin-4-amine

2-{1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanoyl]azetidin-3-yl}acetic acid

(2S)-1-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexanecarbonyl]pyrrolidine-2-carboxylic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[1-methyl-3-(propan-2-yl)-1H-pyrazol-4-yl]carbamoyl}propanoic acid

1-{[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]methyl}cycloheptane-1-carboxylic acid

(2RS,3SR)-3-[(1RS&,3SR&)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentaneamido]oxolane-2-carboxylic acid

rac-1-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-2-methylpiperidine-3-carboxylic acid

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

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]-2-phenylacetic acid

2-{1-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]cyclobutyl}acetic acid

3-(1-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethyl]-1,3-thiazol-4-yl}-N-methylformamido)propanoic acid