1-(1-Methylpyrrolidin-3-yl)piperidin-4-one

4-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]-2,2-dimethylbutanoic acid

3-cyclopropyl-2-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2-oxazol-3-yl]formamido}propanoic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-phenylbut-2-enamido]acetic acid

1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,3-dimethylbutanamido]cyclohexane-1-carboxylic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylhexanamido]cyclopentane-1-carboxylic acid

3-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclohexyl]acetamido}-2-hydroxy-2-methylpropanoic acid

(2R)-2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[2.2.1]heptan-2-yl]formamido}-3-hydroxypropanoic acid

2-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)piperidin-1-yl]-N-methylacetamido}acetic acid

4-{[2-(1-benzyl-1H-imidazol-2-yl)ethyl]carbamoyl}-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

(S)-1-(4-(Difluoromethyl)-3-fluorophenyl)propan-1-amine hydrochloride