1-(4-Fluorophenyl)-4-((3,4,5-trimethoxyphenyl)methyl)piperazine monohydrochloride 80305-12-0 N-(3,4,5-Trimethoxybenzyl)-N'-(4-fluorophenyl)piperazine hydrochloride Piperazine, 1-(4-fluorophenyl)-4-((3,4,5-trimethoxyphenyl)methyl)-, monohydrochloride