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