Synonyms: Diphenhydramine N-Oxide, 2-(Benzhydryloxy)-N,N-dimethylethan-1-amine oxide, Ethanamine, 2-(diphenylmethoxy)-N,N-dimethyl-, N-oxide (9CI), Ethylamine, 2-(diphenylmethoxy)-N,N-dimethyl-, N-oxide (7CI,8CI), (Dimethylamino)ethyl benzhydryl ether N-oxide, NSC 9091