InChI=1S/C23H40O8/c1-2-3-6-9-17(26)12-13-21-19(20(27)14-23(29)31-21)10-7-4-5-8-11-22(28)30-18(15-24)16-25/h4,7,12-13,17-21,23-27,29H,2-3,5-6,8-11,14-16H2,1H3/b7-4-,13-12+/t17-,19-,20-,21+,23?/m0/s1