InChI=1S/C23H26O9/c1-10-4-12(25)6-16-18(10)14-7-13(8-15(29-2)19(14)23(28)32-16)31-17-5-11(9-24)22(30-3)21(27)20(17)26/h4,6-8,11,17,20-22,24-27H,5,9H2,1-3H3