1,3-Dihydro-N-[2-(4-methoxyphenyl)-2-(4-morpholinyl)ethyl]-1,3-dioxo-2H-isoindole-2-acetamide

rac-2-{[(1R,3S)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl]formamido}-3,3,3-trifluoropropanoic acid

(2R,3S)-3-(benzyloxy)-2-{[(1RS,3SR)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl]formamido}butanoic acid

(2S,3R)-3-(benzyloxy)-2-{[(1RS,3SR)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl]formamido}butanoic acid

2-(1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl}azetidin-3-yl)acetic acid

2-(N-cyclopropyl-1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropyl}formamido)acetic acid

1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl}pyrrolidine-3-carboxylic acid

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

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

5-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]acetyl}-5-azaspiro[2.4]heptane-7-carboxylic acid

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