1-((4-Chlorophenyl)benzyl)piperazine hydrochloride 18719-22-7 303-26-4 EINECS 242-526-5 Norchlorcyclizine hydrochloride Piperazine, 1-((4-chlorophenyl)phenylmethyl)-, hydrochloride Piperazine, 1-(alpha-(4-chlorophenyl)benzyl)-, hydrochloride Piperazine, 1-(p-chloro-alpha-phenylbenzyl)-, hydrochloride