1-(4-Chlorophenethyl)-5,6-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride 63937-80-4 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-1-(4-CHLOROPHENETHYL)-5,6-DIMETHOXY-2-METHYL-, Isoquinoline, 1,2,3,4-tetrahydro-1-(4-chlorophenethyl)-5,6-dimethoxy-2-methyl-, hydrochloride