6,7-Diethoxy-1-(3',4'-diisopropoxybenzyl)-1,2,3,4-tetrahydroisoquinoline hydrochloride 69373-99-5 Isoquinoline, 1,2,3,4-tetrahydro-1-((3,4-bis(1-methylethoxy)phenyl)methyl)-6,7-diethoxy-, hydrochloride