英文别名Peramivir Impurity 1; methyl (1S,2S,3S,4R)-3-[(1R)-1-amino-2-ethylbutyl]-2-hydroxy-4-[(2-methylpropan-2-yl)oxycarbonylamino]cyclopentane-1-carboxylate; (1S,2S,3S,4R)-Methyl 3-((R)-1-amino-2-ethylbutyl)-4-(tert-butoxycarbonylamino)-2-hydroxycyclopentanecarboxylate; methyl (1S,2S,3S,4R)-3-[(1R)-1-amino-2-ethylbutyl]-4-{[(tert-butoxy)carbonyl]amino}-2-hydroxycyclopentane-1-carboxylate; METHYL (1S,2S,3S,4R)-3-[(1R)-1-AMINO-2-ETHYLBUTYL]-4-[(TERT-BUTOXYCARBONYL)AMINO]-2-HYDROXYCYCLOPENTANE-1-CARBOXYLATE; Methyl (1S,2S,3S,4R)-3-(1-amino-2-ethylbutyl)-4-[(tert-butoxycarbonyl)amino]-2-hydroxycyclopentane-1-carboxylate; methyl (1S,2S,3S,4R)-3-[(1R)-1-amino-2-ethyl-butyl]-4-(tert-butoxycarbonylamino)-2-hydroxy-cyclopentanecarboxylate; Cyclopentanecarboxylic acid, 3-[(1R)-1-amino-2-ethylbutyl]-4-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-, methyl ester, (1S,2S,3S,4R)- 
