InChI=1S/C22H24O9/c1-2-13(11-6-4-3-5-7-11)16(24)14-9-8-12(23)10-15(14)30-22-19(27)17(25)18(26)20(31-22)21(28)29/h3-10,13,17-20,22-23,25-27H,2H2,1H3,(H,28,29)