InChI=1S/C26H36O9/c1-14(10-11-16-15(2)9-7-12-25(16,3)4)8-6-13-26(5)21(35-26)23(32)34-24-19(29)17(27)18(28)20(33-24)22(30)31/h6,8,10-11,13,17-21,24,27-29H,7,9,12H2,1-5H3,(H,30,31)/b11-10+,13-6+,14-8+