2-(2-Amino-5-fluoropyridin-3-yl)acetic acid

4-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylphenyl]formamido}butanoic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]piperidine-3-carboxylic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-2,3-dihydro-1H-indole-5-carboxylic acid

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

2-[(2R)-N-(1,1-dioxo-1lambda6-thiolan-3-yl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]acetic acid

3-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]pentanoic acid

4-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylbutanamido]butanoic acid

2-cyclopropyl-2-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]acetic acid

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

2-{3-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]phenoxy}acetic acid