IUPAC:(2E)-1,4-dimethyl-2-{[(4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy]methylidene}-7-{2H,3H-thieno[3,4-b][1,4]dioxin-5-yl}-1H,2H,3H,4H-cyclopenta[b]indol-3-one
IUPAC:(2E)-1,4-dimethyl-2-{[(4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy]methylidene}-7-{2H,3H-thieno[3,4-b][1,4]dioxin-5-yl}-1H,2H,3H,4H-cyclopenta[b]indol-3-one