¹H NMR (400 MHz, CDCl₃) δ 7.63 (s, 1H), 7.54 (d, J = 7.2 Hz, 1H), 7.51 – 7.42 (m, 2H), 7.36 (d, J = 14.6 Hz, 1H), 7.01 (s, 2H), 6.60 (d, J = 14.6 Hz, 1H), 6.32 (s, 2H). ¹³C NMR (101 MHz, CDCl₃) δ 136.64, 131.36, 131.04, 129.19, 128.75, 128.28, 123.41 (q, J = 3.8 Hz), 122.24 (q, J = 3.8 Hz), 119.19, 112.55, 110.94. HRMS (EI): calcd for C₁₃H₁₀F₃N: 237.0765, found: 237.0765。