英文别名Oseltamivir Impurity 11; ethyl (3R,4R,5S)-4,5-diamino-3-pentan-3-yloxycyclohexene-1-carboxylate; (3R,4R,5S)-ethyl 4,5-diamino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate; Oseltamivir Impurity 8; Oseltamivir Impurity I; 1-Cyclohexene-1-carboxylic acid, 4,5-diamino-3-(1-ethylpropoxy)-, ethyl ester, (3R,4R,5S)-; Oseltamivir Impurity