1-p-Chlorbenzhydryl-m-methylbenzylpiperazine dihydrochloride 1104-22-9 1639-65-2 569-65-3 Ancolan dihydrochloride Bonamine Diadril Duremesin EINECS 214-164-8 Meclizine dihydrochloride Meclizine hydrochloride anhydrous Meclozine dihydrochloride NSC 28728 Parachloramine dihydrochloride Piperazine, 1-((4-chlorophenyl)phenylmethyl)-4-((3-methylphenyl)methyl)-, dihydrochloride Piperazine, 1-(p-chloro-alpha-phenylbenzyl)-4-(m-methylbenzyl)-, dihydrochloride Postafen Postafene dihydrochloride Taizer V-Cline Vertizine