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