1,2,3,4-Tetrahydro-1-(3-hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridinyl)-6,7-isoquinolinediol 1-(2-Methyl-3-hydroxy-5-hydroxymethyl-4-pyridyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline 1-(2-Methyl-3-hydroxy-5-hydroxymethyl-4-pyridyl)-6,7-dihydroxy-1,2-3,4-tetrahydroisoquinoline 36120-58-8 6,7-Isoquinolinediol, 1,2,3,4-tetrahydro-1-(3-hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridinyl)-