2-Methyl-1,2,3,4-tetrahydro-6-isoquinolinol hydrochloride 57196-60-8 6-Hydroxy-2-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride 6-ISOQUINOLINOL, 1,2,3,4-TETRAHYDRO-2-METHYL-, HYDROCHLORIDE Isoquinoline, N-methyl-6-hydroxy-1,2,3,4-tetrahydro-, hydrochloride N-Methyl-6-hydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride