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