InChI=1S/C19H7F29O2/c1-2-5(49)50-4-3-6(20,21)7(22,23)8(24,25)9(26,27)10(28,29)11(30,31)12(32,33)13(34,35)14(36,37)15(38,39)16(40,41)17(42,43)18(44,45)19(46,47)48/h2H,1,3-4H2