1,2,3,4-Tetrahydro-2-methyl-6,7,8-trimethoxy-4-isoquinolinol hydrochloride 4-Hydroxy-2-methyl-6,7,8-trimethoxytetrahydroisoquinoline hydrochloride 4-ISOQUINOLINOL, 1,2,3,4-TETRAHYDRO-2-METHYL-6,7,8-TRIMETHOXY-, HYDROCHLORIDE 93568-41-3