p. 3696 - 3703
(2007/10/03)(2S,3R)-N-benzyloxycarbonyl-3-benzylaspartic acid 4-methyl ester
(2S,3R)-N-tert-butyloxycarbonyl-3-benzylaspartic acid dimethyl ester
dimethyl N-tert-butoxycarbonyl-L-aspartate
benzyl bromide
(2R,3S)-2-benzyl-3-(benzyloxycarbonylamino)-4-hydroxybutanoic acid methyl ester