2-Amino-1-naphthoic acid hydrochloride

2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]methyl}-4-methylpentanoic acid

5-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]formamido}-3-methylpentanoic acid

(2S)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-carbonyl]-4,4-difluoropyrrolidine-2-carboxylic acid

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

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

4-Methyl-decahydroquinoline-1-sulfonyl chloride

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

(2S)-1-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetyl}-4,4-difluoropyrrolidine-2-carboxylic acid

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

3-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]benzoic acid