1-(4-Chlorophenethyl)-6,7-dimethoxy-2,3-dimethyl-1,2,3,4-tetrahydroisoquinoline hydrobromide 63937-75-7 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-1-(4-CHLOROPHENETHYL)-6,7-DIMETHOXY-2,3-DIMETHY Isoquinoline, 1,2,3,4-tetrahydro-1-(4-chlorophenethyl)-6,7-dimethoxy-2,3-dimethyl-, hydrobromide