¹H NMR (400 MHz, CDCl₃) δ 9.13 (s, 1H), 8.23 (s, 1H), 8.14 (d, J = 8.4 Hz, 1H), 7.85 (d, J = 8.1 Hz, 1H), 7.71 (t, J = 7.6 Hz, 1H), 7.68 – 7.61 (m, 2H), 7.57 (t, J = 7.5 Hz, 1H), 7.20 (t, J = 8.6 Hz, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 162.9 (d, J = 248.0 Hz), 149.6, 147.2, 133.9 (d, J = 3.3 Hz), 133.0, 132.8, 129.4, 129.2, 129.0 (d, J = 8.2 Hz), 127.9, 127.1, 116.1 (d, J = 21.6 Hz). HRMS (EI) m/z: calcd for C₁₅H₁₀FN, 223.0797; found, 223.0798.