InChI=1S/C22H24O11/c1-31-19-12(24)9-13(32-22-18(28)16(26)17(27)20(33-22)21(29)30)14(15(19)25)11(23)8-7-10-5-3-2-4-6-10/h2-6,9,16-18,20,22,24-28H,7-8H2,1H3,(H,29,30)