¹H NMR (400 MHz, CDCl₃) δ 7.88 (s, 1H), 7.72 (d, J = 7.5 Hz, 4H), 7.64 (d, J = 7.5 Hz, 2H), 7.58 (d, J = 7.6 Hz, 1H), 7.52 (t, J = 7.5 Hz, 4H), 7.43 (t, J = 7.3 Hz, 2H). ¹³C{H} NMR (101 MHz, CDCl₃) δ 141.76, 141.16, 129.15, 128.77, 127.37, 127.23, 126.12, 126.09. m/z (GC-MS): 230。