¹H NMR (400 MHz, CDCl₃) δ 7.94 – 7.76 (m, 4H), 7.74 – 7.60 (m, 1H), 7.55 – 7.37 (m, 3H), 7.29 – 7.24 (m, 1H), 7.22 – 7.05 (m, 3H), 6.68 (d, J = 3.2 Hz, 1H), 5.73 (s, 1H), 5.48 (s, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 145.00, 136.51, 134.44, 133.62, 133.14, 129.30, 128.76, 128.44, 128.33, 127.64, 126.67, 126.48, 126.37, 124.47, 122.05, 120.93, 120.23, 111.91, 108.62, 103.18. GC-MS (m/z): 269。