InChI=1S/C22H24O9/c1-28-14-5-2-11(3-6-14)13-8-12-4-7-15(9-16(12)29-10-13)30-22-19(25)17(23)18(24)20(31-22)21(26)27/h2-7,9,13,17-20,22-25H,8,10H2,1H3,(H,26,27)