1H NMR (400 MHz, CDCl3) δ 7.53 – 7.45 (m, 2H), 7.44 – 7.34 (m, 4H), 7.35 – 7.26 (m, 4H), 6.58 (s, 1H), 4.06 (q, J = 7.1 Hz, 2H), 1.42 (t, J = 7.1 Hz, 3H).13C NMR (101 MHz, CDCl3) δ 145.11, 140.73, 137.79, 129.82, 128.36, 128.20, 127.85, 126.35, 126.31, 120.27, 68.89, 15.39. GC-MS (m/z): 224。
