¹H NMR (400 MHz, CDCl₃) δ 8.15 (s, 1H), 8.03 – 7.90 (m, 4H), 7.85 (dd, J = 8.5, 1.7 Hz, 1H), 7.74 (dd, J = 9.1, 4.3 Hz, 3H), 7.66 (dd, J = 6.4, 1.4 Hz, 1H), 7.62 – 7.48 (m, 5H), 7.43 (t, J = 7.4 Hz, 1H). ¹³C{H} NMR (101 MHz, CDCl₃) δ 141.88, 141.64, 141.17, 138.47, 133.66, 132.67, 129.25, 128.80, 128.45, 128.19, 127.64, 127.41, 127.27, 126.37, 126.35, 126.31, 126.19, 125.97, 125.90, 125.60. m/z (GC-MS): 280。