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