1-Phenylpropyl-2-methyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride 63937-60-0 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-6,7-DIMETHOXY-2-METHYL-1-(PHENETHYLMETHYL)-, HY Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-(phenethylmethyl)-, hydrochloride Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-phenyltrimethylene-, hydrochloride