InChI=1S/C28H34F2O7/c1-24(2)36-22-11-16-17-10-19(29)18-9-15(31)7-8-25(18,3)27(17,30)20(32)12-26(16,4)28(22,37-24)21(33)13-35-23(34)14-5-6-14/h7-9,14,16-17,19-20,22,32H,5-6,10-13H2,1-4H3/t16-,17-,19+,20+,22-,25+,26+,27+,28-/m1/s1