benzyl 4-formyl-1H-pyrrole-2-carboxylate

(2S,3R)-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]-3-methoxybutanoic acid

rac-tert-butyl N-[(1R,2S)-2-propanoylcyclohexyl]carbamate

(2S,3R)-2-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-3-methoxybutanoic acid

(2S,3R)-2-{[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}-3-methoxybutanoic acid

(2S,3R)-2-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-3-methoxybutanoic acid

2-{[2-(Piperidin-1-yl)pyridin-3-yl]oxy}acetic acid

(2S,3R)-2-{[(1RS,3RS,5RS)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[3.1.0]hexan-1-yl]formamido}-3-methoxybutanoic acid

(2S,3R)-2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]-3-methoxybutanoic acid

1-({2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-3,3,3-trifluoropropanamido}methyl)cyclobutane-1-carboxylic acid

1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-3,3,3-trifluoropropanoyl}-3-methylpyrrolidine-3-carboxylic acid