InChI=1S/C26H34O11/c1-6-10(2)23(32)34-14-9-26(5,37-25-19(29)17(27)18(28)21(36-25)22(30)31)13-8-7-11(3)15(13)20-16(14)12(4)24(33)35-20/h6-7,13-21,25,27-29H,4,8-9H2,1-3,5H3,(H,30,31)/b10-6+