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(2008/02/04)N-tert-butyloxycarbonyl-(p-hydroxymethyl)-L-phenylalanine methyl ester
methyl N-(tert-butoxycarbonyl)-O-[(trifluoromethyl)sulfonyl]-L-tyrosinate
N-tert-butyloxycarbonyl-L-(p-bromomethyl)phenylalanine methyl ester
methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-cyanophenyl)propanoate