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