Methyl 3-amino-2-[(4-methylphenyl)methyl]propanoate

(2R)-2-[(2S)-3-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-4-hydroxybutanoic acid

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

4-(2-{4-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1H-1,2,3-triazol-1-yl}acetamido)-3-hydroxybutanoic acid

4-({1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexyl}formamido)-3-hydroxybutanoic acid

4-{[3-chloro-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-3-hydroxybutanoic acid

4-{[3-bromo-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-3-hydroxybutanoic acid

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

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]cyclopropyl}acetic acid

2-{1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]cyclopropyl}acetic acid

2-{1-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]cyclopropyl}acetic acid