4-Bromo-2-(2-bromoethyl)-1-fluorobenzene

2-{3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]phenoxy}acetic acid

rac-3-{1-[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentyl]-N-methylformamido}-2-methylpropanoic acid

4-{[5-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}butanoic acid

rac-2-{[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentyl]formamido}-4,4-difluorobutanoic acid

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

4-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanamido]-3-methylbutanoic acid

2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanamido]-4,4-difluorobutanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]-2-methylbenzoic acid

2-cyclopropyl-2-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}propanoic acid

(2S)-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]-2-hydroxypropanoic acid