¹H NMR (400 MHz, CDCl₃) δ 7.60 (s, 1H), 7.56 – 7.49 (m, 5H), 7.44 (dd, J = 7.4, 1.9 Hz, 2H), 7.39 – 7.29 (m, 4H). ¹³C{H} NMR (101 MHz, CDCl₃) δ 140.16, 139.09, 132.51, 131.43, 130.61, 129.96, 128.61, 128.59, 127.73, 126.83. m/z (GC-MS): 298。