methyl 2-[4-methyl-5-(methylamino)-4H-1,2,4-triazol-3-yl]acetate

4-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]acetamido}-3-hydroxybutanoic acid

3-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}bicyclo[3.1.0]hexane-1-carboxylic acid

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

5-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]methyl}-1,3-oxazole-4-carboxylic acid

5-{[(2R,3S)-3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]methyl}-1,3-oxazole-4-carboxylic acid

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

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

2-[(2R)-1-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]pyrrolidin-2-yl]acetic acid

1-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]methyl}spiro[2.3]hexane-1-carboxylic acid

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