“…NMR (DMSO-d 6 ): δ(ppm) = 165.09 (C-9), 163.79 (d,1 J C,F = 248.1 Hz, C-4 FBz), 157.96 (d, 2 J = 30,.5 Hz, CO TFA), 131.16 (d,4 J C,F = 2.9 Hz, C-1 FBz), 129.75 (d,3 J C,F = 9.0 Hz, C-2,6 FBz), 115 18. (d, 2 J C,F = 21.7 Hz, C-3,5 FBz), 39.25, 29.10, 28.59, 28.50, 27.01, 26.40, 25.78, Signal for 1 × CH 2 is not visible.…”