InChI=1S/C24H44O9/c25-17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18(26)32-24-21(29)19(27)20(28)22(33-24)23(30)31/h19-22,24-25,27-29H,1-17H2,(H,30,31)