(RS)-Ethyl 2-phenyl-2-piperidin-2-ylacetate

2-[(1RS,2SR)-2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]cyclopentyl]acetic acid

7-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

7-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanoyl]-7-azabicyclo[2.2.1]heptane-1-carboxylic acid

rac-(1R,3S)-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-4-amido]cyclopentane-1-carboxylic acid

3-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazol-4-yl]formamido}-4,4-difluorobutanoic acid

rac-2-{N-ethyl-1-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]formamido}acetic acid

3-{[(4-bromophenyl)methyl]carbamoyl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

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

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

4-[3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-2-fluorobenzoic acid