InChI=1S/C25H48O7/c1-16(2)9-6-10-17(3)11-7-12-18(4)13-8-14-19(5)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)