¹H NMR (400 MHz, CDCl₃) δ 7.54 – 7.46 (m, 2H), 7.42 (d, J = 7.8 Hz, 3H), 7.40 – 7.28 (m, 5H), 6.66 (s, 1H), 2.44 (s, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 141.64, 139.39, 138.27, 129.58, 128.19, 128.12, 127.54, 127.38, 126.87, 126.72, 17.85. GC-MS (m/z): 226。