2-(Cyclopropylsulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid

5-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl}formamido)-3-methylpentanoic acid

rac-3-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl]-1,3-thiazolidine-4-carboxylic acid

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

5-[(2R,3S)-3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-5-azaspiro[2.4]heptane-7-carboxylic acid

2-[(2-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}ethyl)sulfanyl]acetic acid

3-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}-2-hydroxypropanoic acid

5-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-N,2-dimethylbutanamido}pentanoic acid

2-{1-[3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]piperidin-3-yl}acetic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanamido]-3-hydroxy-2-methylpropanoic acid

2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}-3-hydroxy-2-methylpropanoic acid