2,2-dimethyl-3-(1-methyl-1H-imidazol-4-yl)propan-1-ol

3-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]methyl}-5-methylhexanoic acid

rac-4-{2-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}hexanoic acid

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

rac-2-[(1R,2S)-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-difluorobutanamido]cyclopentyl]acetic acid

2-(4-{3-[benzyl(methyl)amino]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl}thiomorpholin-3-yl)acetic acid

2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}-4,4-dimethylpentanoic acid

rac-2-{[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}pent-4-enoic acid

4-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]acetyl}thiomorpholine-2-carboxylic acid

1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-3-propylpyrrolidine-3-carboxylic acid

3-{1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]piperidin-4-yl}propanoic acid