Synonyms: 4589-33-7;6,9-Dihydroxy-7-methoxy-3-methylbenz[g]isoquinoline-5,10-dione;6,9-Dihydroxy-7-methoxy-3-methylbenzo[g]isoquinoline-5,10-dione;Benz(g)isoquinoline-5,10-dione, 6,9-dihydroxy-7-methoxy-3-methyl-;benz[g]isoquinoline-5,10-dione, 6,9-dihydroxy-7-methoxy-3-methyl-