1-(2-Chlorophenethyl)-2-methyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrobromide 63937-78-0 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-1-(2-CHLOROPHENETHYL)-6,7-DIMETHOXY-2-METHYL-, Isoquinoline, 1,2,3,4-tetrahydro-1-(2-chlorophenethyl)-6,7-dimethoxy-2-methyl-, hydrobromide