InChI=1S/C22H22O11/c1-31-19-10(6-8-14(24)15(19)25)5-7-13(23)11-3-2-4-12(9-11)32-22-18(28)16(26)17(27)20(33-22)21(29)30/h2-9,16-18,20,22,24-28H,1H3,(H,29,30)