(2S)-2-benzyloxycarbonylamino-5-pthalimidopentane-1-ol
phenylmethyl (4S)-4-[3-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)propyl]-5-oxo-1,3-oxazolidine-3-carboxylate
1,1-dimethylethyl (3S)-6-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-3-(methyl{[(phenylmethyl)oxy]carbonyl}amino)hexanoate
(3S)-6-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-3-(methyl{[(phenylmethyl)oxy]carbonyl}amino)hexanoic acid
phenylmethyl [(1S)-1-(diazoacetyl)-4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)butyl]methylcarbamate