1H NMR (400 MHz, CDCl3) δ 7.54 – 7.46 (m, 2H), 7.44 – 7.34 (m, 4H), 7.34 – 7.27 (m, 4H), 6.58 (s, 1H), 4.01 (t, J = 6.6 Hz, 2H), 1.81 – 1.74 (m, 2H), 1.66 – 1.44 (m, 2H), 1.04 (t, J = 7.4 Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 145.53, 140.75, 137.81, 129.78, 128.39, 128.19, 127.82, 126.29, 126.28, 119.98, 73.26, 31.91, 19.07, 13.79. GC-MS (m/z): 252。
