3-(Bromomethyl)-8-chloro-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridine

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylpentanamido]cyclohexane-1-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,2-dimethylbutanamido]cyclohexane-1-carboxylic acid

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

5-[3-(dimethylamino)-2-methylpyrrolidin-1-yl]-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxopentanoic acid

3-{1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]-N-methylformamido}-2-methylpropanoic acid

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

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluoro-N-(2-methylpropyl)butanamido]acetic acid

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

(2S)-2-{1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,6-difluorophenyl]-N-methylformamido}propanoic acid

(2R)-1-{4-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexanecarbonyl}pyrrolidine-2-carboxylic acid