InChI=1S/C26H40O13/c1-2-3-6-9-14(37-34)12-13-16-15(10-7-4-5-8-11-17(27)28)21-24(22(16)39-38-21)36-26-20(31)18(29)19(30)23(35-26)25(32)33/h4,7,12-16,18-24,26,29-31,34H,2-3,5-6,8-11H2,1H3,(H,27,28)(H,32,33)/b7-4+,13-12+