3,4-Dihydro-6,7-diethoxy-1-((3,4-dipropoxyphenyl)methyl)isoquinoline hydrochloride 6,7-Diethoxy-1-(3',4'-di-n-propoxybenzyl)-3,4-dihydroisoquinoline hydrochloride 69373-91-7 Isoquinoline, 3,4-dihydro-6,7-diethoxy-1-((3,4-dipropoxyphenyl)methyl)-, hydrochloride