¹H NMR (400 MHz, CDCl₃) δ 7.72 (s, 1H), 7.67 – 7.58 (m, 4H), 7.53 (s, 3H), 7.17 (t, J = 8.1 Hz, 4H). ¹³C{H} NMR(101 MHz, CDCl₃) δ 162.56 (d, J = 246.6 Hz), 140.86, 137.14 (d, J = 3.2 Hz), 129.28, 128.76 (d, J = 8.0 Hz), 125.94, 125.81, 115.66 (d, J = 21.4 Hz). m/z (GC-MS): 266。