英文同义词: | Trans-(1S,4S)-4-Boc-aMino-2-Cyclopentene-1-carboxylic acid Methyl ester;Peramivir Impurity 40;(1S,4S)-methyl 4-((tert-butoxycarbonyl)amino)cyclopent-2-enecarboxylate;Peramivir impurities 40;2-Cyclopentene-1-carboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-, methyl ester, (1S,4S)-;Methyl (1S,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate |