InChI=1S/C22H20O11/c1-30-13-7-6-12-15(16(13)24)11(23)8-14(32-12)9-2-4-10(5-3-9)31-22-19(27)17(25)18(26)20(33-22)21(28)29/h2-8,17-20,22,24-27H,1H3,(H,28,29)