英文别名Peramivir Impurity 50; methyl (1S,2S,3R,4R)-3-[(1R)-1-acetamido-2-ethylbutyl]-2-hydroxy-4-[(2-methylpropan-2-yl)oxycarbonylamino]cyclopentane-1-carboxylate; (1s,2s,3r,4r)-methyl 3-((r)-1-acetamido-2-ethylbutyl)-4-(tert-butoxycarbonylamino)-2-hydroxycyclopentanecarboxylate; Methyl (1S,2S,3R,4R)-3-((R)-1-acetamido-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentane-1-carboxylate; (1S,2S,3R,4R)-Methyl 3-((R)-1-acetamido-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentanecarboxylate; (1S,2S,3R,4R)-Methyl 3-((R)-1-acetamido-2-ethylbutyl)-4-(t-butoxycarbonylamino)-2-hydroxycyclopentanecarboxylate; Methyl (1S,2S,3R,4R)-3-[(S)-1-Acetamido-2-ethylbutyl]-4-(Boc-amino)-2-hydroxycyclopentanecarboxylate; (1S,2S,3R,4R)-METHYL 3-((S)-1-ACETAMIDO-2-ETHYLBUTYL)-4-(TERT-BUTOXYCARBONYLAMINO)-2-HYDROXYCYCLOPENTANECARBOXYLATE; Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-, methyl ester, (1S,2S,3R,4R)-; Paramivir intermediate 6-1; Peramivir impurities27; Peramivir impurities437 
