N-(5-Cyano-2-pyridinyl)hexanamide

2-{2-ethyl-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-N-(2-methylpropyl)butanamido}acetic acid

5-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanamido]-4-methylpentanoic acid

2-[N-(cyclopropylmethyl)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanamido]acetic acid

2-[3-cyclopropyl-N-(cyclopropylmethyl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]acetic acid

2-[(2S)-3-cyclopropyl-N-(cyclopropylmethyl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]acetic acid

3-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]ethoxy}propanoic acid

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

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

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

9H-fluoren-9-ylmethyl N-(2-methylpropyl)-N-[1-(1,2,3,4-tetrahydroisoquinolin-5-yl)propyl]carbamate