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