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