英文同义词: | Dextromethorphan Hydrobromide Impurity Ⅳ:Dextromethorphan N-Oxide;Dextromethorphan Impurity 3;2H-10β,4aβ-Iminoethanophenanthrene, 1,3,4,9,10,10aβ-hexahydro-6-methoxy-11-methyl-, 11-oxide, dl- (6CI);Dextromethorphan Impurity 18;Dextromethorphan Hydrobromide Impurity Ⅳ:Dextromethorphan N-Oxide |