InChI=1S/C24H40O9/c1-17(32-24-21(29)19(27)20(28)22(33-24)23(30)31)15-13-11-9-7-5-3-2-4-6-8-10-12-14-16-18(25)26/h2-3,7,9,17,19-22,24,27-29H,4-6,8,10-16H2,1H3,(H,25,26)(H,30,31)/b3-2+,9-7-