InChI=1S/C23H22O11/c1-10(25)31-22-21(30)20(29)18(9-24)34-23(22)32-13-6-14(27)19-15(28)8-16(33-17(19)7-13)11-2-4-12(26)5-3-11/h2-8,18,20-24,26-27,29-30H,9H2,1H3