6,7-Dimethoxy-1-(3,4-dimethoxybenzyl)-3-(4-tolyl)-1,2,3,4-tetrahydroisoquinoline hydrochloride 87203-95-0 Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-1-((3,4-dimethoxyphenyl)methyl)-3-(4-methylphenyl)-, hydrochloride