InChI=1S/C26H40O11/c1-15(36-26-23(33)21(31)22(32)24(37-26)25(34)35)7-6-8-17(27)13-11-16-12-14-19(28)18(16)9-4-2-3-5-10-20(29)30/h11,13,15,17,21-24,26-27,31-33H,2-10,12,14H2,1H3,(H,29,30)(H,34,35)/b13-11+