1-(4-Chlorophenethyl)-6,7-dimethoxy-2-(3-methylbut-2-enyl)-1,2,3,4-tetrahydroisoquinoline 63937-77-9 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-1-(4-CHLOROPHENETHYL)-6,7-DIMETHOXY-2-(3-METHYL Isoquinoline, 1,2,3,4-tetrahydro-1-(4-chlorophenethyl)-6,7-dimethoxy-2-(3-methylbut-2-enyl)-