InChI=1S/C17H7F25O2/c1-2-5(43)44-4-3-6(18,19)7(20,21)8(22,23)9(24,25)10(26,27)11(28,29)12(30,31)13(32,33)14(34,35)15(36,37)16(38,39)17(40,41)42/h2H,1,3-4H2