InChI=1S/C26H40O13/c1-14(35-26-23(31)21(29)22(30)24(36-26)25(32)33)7-6-8-15(37-34)11-12-17-16(18-13-19(17)39-38-18)9-4-2-3-5-10-20(27)28/h2,4,11-12,14-19,21-24,26,29-31,34H,3,5-10,13H2,1H3,(H,27,28)(H,32,33)/b4-2-,12-11+