(+-)-Salsolidine 1,2,3,4-Tetrahydro-6,7-dimethoxy-1-methylisoquinoline 1-Methyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline 38520-68-2 5784-74-7 6,7-Dimethoxy-1-methyl-1,2,3,4-tetrahydroisoquinoline 63283-42-1 Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-1-methyl- N-Norcarnegine Salsolidine