3-[(1-Methylcyclohexyl)methoxy]azetidine

2-{2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]cyclopentyl}acetic acid

2-{2-[(2S,3S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]cyclopentyl}acetic acid

2-{2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpentanamido]cyclopentyl}acetic acid

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

(2R)-2-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}-3,3-dimethylbutanoic acid

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

rac-2-[N-(cyclopropylmethyl)-2-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido]acetic acid

rac-(2R,6R)-6-(acetamidomethyl)oxane-2-carboxylic acid

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

3-[benzyl(methyl)amino]-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methylcyclopentyl]formamido}propanoic acid