1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[4-(trifluoromethyl)phenyl]-1H-pyrazole-4-carboxylate

(2S)-2-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}formamido)-4-methylpentanoic acid

(2S)-2-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}formamido)-3-methylpentanoic acid

1-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexanecarbonyl}azetidine-3-carboxylic acid

3-ethyl-1-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropanecarbonyl}pyrrolidine-3-carboxylic acid

2-{1-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclobutyl}acetic acid

3-cyclopropyl-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxybutanamido]propanoic acid

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

5-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]-4-methylpentanoic acid

5-{[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}-4-methylpentanoic acid

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