InChI=1S/C26H40O13/c1-2-3-4-6-13(37-33)9-10-14-15(18-12-17(14)38-39-18)11-19-16(34-19)7-5-8-20(27)35-26-23(30)21(28)22(29)24(36-26)25(31)32/h9-10,13-19,21-24,26,28-30,33H,2-8,11-12H2,1H3,(H,31,32)/b10-9+