Benzyl 5-Ethyl-2-oxo-1,3-dioxole-4-carboxylate

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoro-N-methylpropanamido]cyclopropane-1-carboxylic acid

rac-2-{1-[(1R,3R,5R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.1.0]hexan-1-yl]-N-(2-methylpropyl)formamido}acetic acid

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

2-{N-benzyl-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}acetic acid

(2S)-1-[(1RS,2SR)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl]-4,4-difluoropyrrolidine-2-carboxylic acid

1-[(5-Nitropyridin-2-yl)methyl]cyclopropane-1-carboxylic acid

3-(3-Bromopyridin-4-yl)-2,2-dimethylpropanoic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-3,3,3-trifluoro-2-methylpropanoic acid

4-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}formamido)-2-hydroxybutanoic acid

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