2-(S)-t-butoxycarbonylamino-3-(4'-t-butoxycarbonylmethyl)benzenepropanoic acid benzyl ester
2-(S)-t-butoxycarbonylamino-3-(4'-benzyloxycarbonylmethyl)benzenepropanoic acid benzyl ester
(S)-α-<<(1,1-dimethylethoxy)carbonyl>amino>-4-<2-(methyloxy)-2-oxoethyl>benzenepropanoic acid
(S)-α-<<(1,1-dimethylethoxy)carbonyl>amino>-4-<2-(methyloxy)-2-oxoethyl>benzenepropanoic acid phenylmethylester