InChI=1S/C26H40O13/c1-2-3-5-8-14(37-34)11-12-16-15(18-13-19(16)39-38-18)9-6-4-7-10-17(24(30)31)35-26-22(29)20(27)21(28)23(36-26)25(32)33/h4,6,11-12,14-23,26-29,34H,2-3,5,7-10,13H2,1H3,(H,30,31)(H,32,33)/b6-4-,12-11+