InChI=1S/C26H26O9/c1-26(2)13-12-16-18(35-26)11-9-15(8-10-17(27)14-6-4-3-5-7-14)22(16)33-25-21(30)19(28)20(29)23(34-25)24(31)32/h3-13,19-21,23,25,28-30H,1-2H3,(H,31,32)