N-(2,2-diethoxyethyl)-N',N'-diethylethane-1,2-diamine

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-methyl-1H-pyrazole-3-carbonyl]piperidine-3-carboxylic acid

6-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-2-methylheptanoic acid

2-({2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}oxy)propanoic acid

2-{4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-amido]-1H-pyrazol-1-yl}acetic acid

rac-(3R,4R)-1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-5-carbonyl]-4-methylpyrrolidine-3-carboxylic acid

4-Chloro-5,8-difluoro-1,3-dimethyl-1,2-dihydroquinolin-2-one

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

4-ethyl-6-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]hexanoic acid

rac-(1R,2S)-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-phenylacetamido]methyl}cyclopropane-1-carboxylic acid

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