InChI=1S/C26H40O11/c1-2-3-6-9-15(27)12-13-17-16(10-7-4-5-8-11-20(29)30)18(28)14-19(17)36-26-23(33)21(31)22(32)24(37-26)25(34)35/h12-13,15,19,21-24,26-27,31-33H,2-11,14H2,1H3,(H,29,30)(H,34,35)/b13-12+