1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 4-chloro-2-ethoxybenzoate

(1RS&,3SR&)-3-({[(1RS,3SR)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}methyl)-2,2-difluorocyclopropane-1-carboxylic acid

1-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutanecarbonyl]-2-methylpyrrolidine-3-carboxylic acid

1,2,5-Oxadiazol-3-ylmethyl chloroformate

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

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]cyclobutyl}acetic acid

3-{[3-(4-bromo-1H-pyrazol-1-yl)propyl]carbamoyl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

O-[2-(4,5,6,7-tetrahydro-1H-indazol-3-yl)propan-2-yl]hydroxylamine

1-[(3-tert-butyl-1H-pyrazol-4-yl)methyl]cyclopropan-1-ol

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

(2S)-2-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)thian-4-yl]acetamido}-3-methoxypropanoic acid