1-(2-Ethylphenyl)-4-((3,4,5-trimethoxyphenyl)methyl)piperazine dihydrochloride 80305-15-3 N-(3,4,5-Trimethoxybenzyl)-N'-(2-ethylphenyl)piperazine dihydrochloride Piperazine, 1-(2-ethylphenyl)-4-((3,4,5-trimethoxyphenyl)methyl)-, dihydrochloride