6-[3-(3-Bromopyridin-4-yl)oxypyrrolidin-1-yl]-5-chloropyridine-3-carbonitrile

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

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enamido]-2-phenylpropanoic acid

3-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]-4-iodobenzoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[(4-methyloxan-4-yl)methyl]carbamoyl}butanoic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxane-4-amido]cyclopentane-1-carboxylic acid

3-{3-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]phenyl}propanoic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methyloxolane-3-carbonyl]-2-methylpyrrolidine-2-carboxylic acid

2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]-5-methoxypentanoic acid

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazol-5-yl]-N-(propan-2-yl)formamido}acetic acid

3-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-4-yl]acetamido}-3-methylbutanoic acid