1-(3',4'-Diethoxybenzyl)-6,7-di-n-propoxy-3,4-dihydroisoquinoline hydrochloride 3,4-Dihydro-1-((3,4-diethoxyphenyl)methyl)-6,7-dipropoxyisoquinoline hydrochloride 69373-93-9 Isoquinoline, 3,4-dihydro-1-((3,4-diethoxyphenyl)methyl)-6,7-dipropoxy-, hydrochloride