InChI=1S/C24H46O8/c25-17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18-31-24-21(28)19(26)20(27)22(32-24)23(29)30/h19-22,24-28H,1-18H2,(H,29,30)