“…Calcd. for C 8 H 6 F 5 IO 2 : C, 26.69; H, 1.69;F,26.97,found: C,26.97;H,1.85;F,4,5,6, 1 H NMR (300 MHz, CDCl 3 ) d: 6.60 (t, J = 12.60 Hz, 1H), 4.82 (s, 2H), 2.08 (s, 3H). 19 F NMR (282 MHz, CDCl 3 ) d: À94.4 to À94.1 (m, 3F), À106.3 to À105.5 (m, 1F), À186.6 to À185.9 (m, 1F).…”