英文别名(1R,5R,6R)-Ethyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate; (1R,5R,6R)-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester; Ethyl (1R,5R,6R)-5-(1-ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate; 7-Oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid, 5-(1-ethylpropoxy)-, ethyl ester, (1R,5R,6R)-; ethyl (1R,5R,6R)-5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate; Oseltamivir Impurity; Oseltamivir Impurity 33; Oseltamivir Impurity 222; Oseltamivir Impuruty 4; Oseltamivir Impurity-RRE 
