1-Benzyl-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline hydrobromide 16552-80-0 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-1-BENZYL-6,7-DIMETHOXY-2-METHYL-, HYDROBROMIDE Isoquinoline, 1-benzyl-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydro-, hydrobromide