InChI=1S/C25H48O7/c1-16(2)9-6-11-18(5)12-8-14-19(13-7-10-17(3)4)15-31-25-22(28)20(26)21(27)23(32-25)24(29)30/h16-23,25-28H,6-15H2,1-5H3,(H,29,30)