1,2,3,4-Tetrahydro-2-methyl-6,7-isoquinolinediol 2-Methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline 37491-98-8 4-21-00-02109 (Beilstein Handbook Reference) 6,7-ISOQUINOLINEDIOL, 1,2,3,4-TETRAHYDRO-2-METHYL- 63937-92-8 BRN 0150401