InChI=1S/C25H26O9/c1-4-5-13-6-8-16-15(10-13)12(2)22(32-16)14-7-9-17(18(11-14)31-3)33-25-21(28)19(26)20(27)23(34-25)24(29)30/h4-11,19-23,25-28H,2H2,1,3H3,(H,29,30)