InChI=1S/C25H40F8O4/c1-2-3-4-5-6-7-8-9-10-11-12-15-18-36-20(34)16-13-14-17-21(35)37-19-23(28,29)25(32,33)24(30,31)22(26)27/h22H,2-19H2,1H3