InChI=1S/C25H48O7/c1-3-5-7-9-10-12-14-16-22(27)18-25(30)32-20-23(28)19-31-24(29)17-21(26)15-13-11-8-6-4-2/h21-23,26-28H,3-20H2,1-2H3/t21?,22?,23-/m0/s1