1(3H)-Isobenzofuranone, 6,7-dimethoxy-3-(1,2,3,4-tetrahydro-6,7-dihydroxy-8-methoxy-2-methyl-1-isoquinolinyl)-, (S-(R*,S*))- 78213-27-1 MB-1 l-alpha-Methyl-8-methoxy-6,7-dihydroxy-1-(6,7-dimethoxy-3-phthalidyl)-1,2,3,4-tetrahydroisoquinoline