Synonyms: Homodihydropapaverine hydrochloride;3,4-Dihydro-6,7-dimethoxy-1-(3,4-dimethoxyphenethyl)isoquinoline hydrochloride;Isoquinoline, 3,4-dihydro-6,7-dimethoxy-1-(3,4-dimethoxyphenethyl)-, hydrochloride;81182-04-9;Homodihydropapaverine HCl;AC1L1HJR;LS-85527;1-[2-(3,4-dimethoxyphenyl)ethyl]-6,7-dimethoxy-3,4-dihydroisoquinolin-2-ium chloride;1-[2-(3,4-dimethoxyphenyl)ethyl]-6,7-dimethoxy-3,4-dihydroisoquinolinium chloride