(+-)-11-Hydroxy-5,11-dimethyl-2,3,8,9-tetramethoxy-11H-indeno(1,2-c)isoquinolone 136540-28-8 5H-Indeno(1,2-c)isoquinolin-5-one, 6,11-dihydro-6,11-dimethyl-11-hydroxy-2,3,8,9-tetramethoxy-, (+-)- BRN 5361062