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