InChI=1S/C26H35F17O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-45-18(44)19(27,28)20(29,30)21(31,32)22(33,34)23(35,36)24(37,38)25(39,40)26(41,42)43/h2-17H2,1H3