InChI=1S/C24H26O9/c1-3-4-12-5-8-16-14(9-12)11(2)21(31-16)13-6-7-15(25)17(10-13)32-24-20(28)18(26)19(27)22(33-24)23(29)30/h3-11,18-22,24-28H,1-2H3,(H,29,30)