5-(3-bromo-2,2-dimethylpropyl)-1H-imidazole

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N,3-dimethylpentanamido]-2-methylpropanoic acid

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

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

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

(4R)-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]-1,3-thiazolidine-4-carboxylic acid

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

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetyl]-2,3-dihydro-1H-indole-6-carboxylic acid

1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]pyrrolidine-3-carboxylic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanamido]pentanoic acid

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