¹H NMR (400 MHz, CDCl₃) δ 7.54 – 7.39 (m, 5H), 7.34 – 7.22 (m, 2H), 7.15 – 7.12 (m, 1H), 6.91 – 6.88 (m, 1H), 6.67 (t, J = 2.5 Hz, 1H), 5.62 (d, J = 1.6 Hz, 1H), 5.44 (d, J = 1.8 Hz, 1H), 3.95 (d, J = 1.8 Hz, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 154.37, 145.04, 137.01, 131.58, 129.80, 129.11, 129.06, 128.48, 126.95, 112.61, 112.00, 107.29, 102.76, 102.61, 55.66. GC-MS (m/z): 249。