1,3-dioxolo[4,5-g]furo[2,3-b]quinoline, 9,10-dimethoxy- 5-Methoxymaculine 9,10-Dimethoxy-[1,3]dioxolo[4,5-g]furo[2,3-b]quinoline 9,10-dimethoxy[1,3]dioxolo[4,5-g]furo[2,3-b]quinoline InChI=1/C14H11NO5/c1-16-11-7-3-4-18-14(7)15-8-5-9-12(20-6-19-9)13(17-2)10(8)11/h3-5H,6H2,1-2H