80305-33-5 N-(3,4,5-Trimethoxybenzyl)-N'-(3,5-ditrifluoromethylphenyl)piperazine hydrochloride Piperazine, 1-(3,5-bis(trifluoromethyl)phenyl)-4-((3,4,5-trimethoxyphenyl)methyl)-, monohydrochloride