¹H NMR (400 MHz, CDCl₃) δ 7.79 – 7.65 (m, 3H), 7.64 – 7.56 (m, 2H), 7.54 – 7.44 (m, 3H), 7.33 (t, J = 7.4 Hz, 1H), 7.23 (t, J = 7.4 Hz, 1H), 6.76 – 6.65 (m, 2H). ¹³C NMR (101 MHz, CDCl₃) δ 137.03, 135.71, 131.42, 131.10, 129.30, 129.24, 128.62, 124.91, 123.54, 123.28 (q, J = 3.8 Hz), 123.05, 122.22 (q, J = 3.8 Hz), 121.37, 121.28, 112.13, 109.62, 106.05. HRMS (EI): calcd for C₁₇H₁₂F₃N: 287.0922, found: 287.0924。