¹H NMR (400 MHz, CDCl₃) δ 9.14 (s, 1H), 8.24 (s, 1H), 8.14 (dd, J = 9.9, 5.2 Hz, 1H), 7.70 (d, J = 7.6 Hz, 2H), 7.58 – 7.44 (m, 5H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 160.8 (d, J = 248.5 Hz), 149.3 (d, J = 2.8 Hz), 144.4, 137.5, 134.6, 132.5 (d, J = 5.4 Hz), 131.7 (d, J = 9.3 Hz), 129.2, 128.7 (d, J = 10.1 Hz), 128.4, 127.5, 119.6 (d, J = 25.9 Hz), 110.9 (d, J= 21.8 Hz). ¹⁹F NMR (376 MHz, CDCl₃) δ -112.7 (dd, J = 13.7, 8.3 Hz). HRMS (ESI) m/z: calcd for C₁₅H₁₁FN [M+H], 224.0876; found, 224.0872.