InChI=1S/C26H40O13/c1-2-3-4-6-15(37-34)9-11-17-16(18-13-19(17)39-38-18)8-5-7-14(10-12-20(27)28)35-26-23(31)21(29)22(30)24(36-26)25(32)33/h5,7,9,11,14-19,21-24,26,29-31,34H,2-4,6,8,10,12-13H2,1H3,(H,27,28)(H,32,33)/b7-5-,11-9+