(2-Chloro-6-fluorobenzyl)boronic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]cycloheptane-1-carboxylic acid

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

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

3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2,6-difluorobenzoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[(1-methoxycyclopentyl)methyl]carbamoyl}propanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[3-hydroxy-2-(hydroxymethyl)-2-methylpropyl]carbamoyl}butanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[3-(hydroxymethyl)oxolan-3-yl]carbamoyl}propanoic acid

(2S)-1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoyl]piperidine-2-carboxylic acid

(2S)-2-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]formamido}-5-methoxy-5-oxopentanoic acid

(1RS,2SR)-2-{[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]methyl}cyclopentane-1-carboxylic acid