3,4-Dihydro-1-((2-bromo-4,5-dimethoxy)benzyl)-6,7-dimethoxyisoquinoline hydrochloride 41823-67-0 59444-56-3 6'-Bromo-dihydropapaverine hydrochloride ISOQUINOLINE, 3,4-DIHYDRO-1-((2-BROMO-4,5-DIMETHOXY)BENZYL)-6,7-DIMETHOXY-, HYDR Isoquinoline, 3,4-dihydro-1-((2-bromo-4,5-dimethoxy)benzyl)-6,7-dimethoxy-, hydrochloride Isoquinoline, 3,4-dihydro-1-((2-bromo-4,5-dimethoxyphenyl)methyl)-6,7-dimethoxy-, HCl