5-(3-Oxobutyl)-5-phenylimidazolidine-2,4-dione

2-({[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxan-4-yl]formamido}oxy)acetic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[(1-hydroxypentan-3-yl)carbamoyl]propanoic acid

2-chloro-4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]benzoic acid

7-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]heptanoic acid

2-[2-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-4,4,4-trifluorobutanoic acid

[1-(3-Bromo-6-methylpyridin-2-yl)azetidin-2-yl]methanamine

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

2-cyclopropyl-2-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1,3-thiazol-5-yl]formamido}propanoic acid

1-(6-Amino-5-hydroxypyridin-3-yl)azetidine-2-carboxamide

2-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-6-fluorobenzoic acid