InChI=1S/C26H40F2O4/c1-3-4-5-6-7-8-9-10-11-12-13-20-31-24(29)18-15-19-25(30)32-21(2)26-22(27)16-14-17-23(26)28/h14,16-17,21H,3-13,15,18-20H2,1-2H3