6 7-dimethoxy-1 2 3 4-tetrahydroisoquinoline July 8, 2019 16 32 64 128 6 7 dimethoxy 1 2 3 4 tetrahydroisoquinoline hydrochloride 6 7-dimethoxy-1-methyl-1 2 3 4-tetrahydroisoquinoline 6 7-dimethoxy-3 4-dihydroisoquinoline 6 7-dimethoxy-3 4-dihydroisoquinoline hydrochloride
