¹H NMR (400 MHz, CDCl₃) δ 8.05 – 7.85 (m, 3H), 7.74 (s, 1H), 7.67 (dd, J = 6.2, 1.5 Hz, 1H), 7.63 – 7.35 (m, 9H), 7.13 – 7.02 (m, 2H). ¹³C{H} NMR (101 MHz, CDCl₃) δ 164.43, 161.99, 143.25 (d, J = 7.7 Hz), 141.42, 139.91 (d, J = 2.2 Hz), 139.87, 133.81, 131.58, 130.24 (d, J = 8.4 Hz), 129.55, 128.81 (d, J = 3.5 Hz), 128.33, 127.85, 126.96, 126.17, 125.94, 125.88, 125.84, 125.37, 122.82 (d, J = 2.8 Hz), 114.17 (d, J = 21.2 Hz), 114.09 (d, J = 22.0 Hz). m/z (GC-MS): 298。