英文同义词: | 9-methyl-4,9-dihydropyrano[3,4-b]indole-1,3-dione;9-methyl-4H-pyrano[3,4-b]indole-1,3-dione;9-methyl-4H-pyrano[3,4-b]indole-1,3-quinone;1,3-dioxo-9-methyl-1H,3H,4H,9H-indolo<2,3-c>pyran;9-Methylpyrano[3,4-b]indole-1,3(4H,9H)-dione;Pyrano[3,4-b]indole-1,3-dione, 4,9-dihydro-9-methyl- |