熔点: 94.8-97.5 ^oC，¹H NMR (400 MHz, CDCl₃) δ 8.43 (dd, J = 7.8, 1.1 Hz, 1H), 8.35-8.30 (m, 1H), 8.18 (s, 1H), 7.66-7.52 (m, 3H), 7.49-7.34 (m, 2H), 7.09 (ddd, J = 8.3, 2.5, 1.9 Hz, 1H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 177.04 (d, J = 2.6 Hz), 163.14 (d, J = 247.3 Hz), 162.48 (d, J = 248.6 Hz), 157.18, 141.74 (d, J = 2.7 Hz), 136.94, 136.53 (d, J = 7.0 Hz), 131.85 (d, J = 8.3 Hz), 130.58 (d, J = 8.3 Hz), 130.21 (d, J = 7.7 Hz), 126.83 (d, J = 3.0 Hz), 121.42 (d, J = 3.0 Hz), 121.20 (d, J = 21.5 Hz), 117.69 (d, J = 23.4 Hz), 115.83 (d, J = 21.1 Hz), 112.86 (d, J = 23.0 Hz). HRMS (ESI) (M+H)⁺ Calcd. for C₁₆H₁₀NO₂F₂: 286.0675, Found: 286.0673.