N-[1-(2-bromobenzenesulfonyl)piperidin-4-yl]-N-methylpyridin-2-amine

(2R)-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclopentanecarbonyl]piperidine-2-carboxylic acid

5-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}hexanoic acid

5-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}hexanoic acid

2-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopent-2-ene-1-carbonyl]pyrrolidine-2-carboxylic acid

3-{3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]phenyl}propanoic acid

3-{[3-bromo-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-2,2-dimethylpropanoic acid

3-{[3-bromo-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-2,2-dimethylpropanoic acid

2-({[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}methyl)butanoic acid

4-(2,5-dimethylmorpholin-4-yl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid

1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazole-3-carbonyl]-3,3-dimethylazetidine-2-carboxylic acid