InChI=1S/C23H28F8O4/c1-2-3-4-5-6-7-8-9-13-34-18(32)16-11-10-12-17(14-16)19(33)35-15-21(26,27)23(30,31)22(28,29)20(24)25/h10-12,14,20H,2-9,13,15H2,1H3