2-(4-Bromo-5-methyl-1H-pyrazol-1-yl)-2-methylpropan-1-ol

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

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

3-cyclopropyl-4-[(2S)-3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]butanoic acid

2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]-2-(methoxymethyl)butanoic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)propanamido]-2-methylbutanoic acid

2-{[5-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}butanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[2-(1H-1,2,4-triazol-1-yl)ethyl]carbamoyl}propanoic acid

(2R)-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-dimethylpentanamido]propanoic acid

(2R)-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-3-methylbutanoic acid

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