英文别名Peramivir Impurity 12; methyl (1S,2S,3S,4R)-3-[(1R)-1-amino-2-ethylbutyl]-2-hydroxy-4-[(2-methylpropan-2-yl)oxycarbonylamino]cyclopentane-1-carboxylate; Methyl (1S,2S,3S,4R)-3-[(1R)-1-amino-2-ethylbutyl]-2-hydroxy-4-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)cyclopentanecarboxylate; (1S,2S,3S,4R)-Methyl 3-((R)-1-amino-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentanecarboxylate; (1S,2S,3S,4R)-3-[(1S)-1-Amino-2-ethylbutyl]-4-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-cyclopentanecarboxylic acid methyl ester; Peramivir Intermediate 3; Peramivir Intermediate III 
