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(2011/04/16)tert-butyl 2-[(benzyloxy)carbonyl]-1-(tert-butoxycarbonyl)ethylcarbamate
N-tert-butoxycarbonyl-L-aspartic acid β-benzyl α-tert-butyl diester
N-tert-butoxycarbonyl aspartic acid tert-butyl ester
N-(tert-butyloxycarbonyl)-(S)-homoserine tert-butyl ester
tert-butyl (2S)-2-[(tert-butoxycarbonyl)amino]-4-oxobutanoate