¹H NMR (400 MHz, CDCl₃) δ 7.41 (d, J = 7.4 Hz, 2H), 7.37 – 7.18 (m, 8H), 6.88 (d, J = 15.6 Hz, 1H), 6.73 (d, J = 15.6 Hz, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 136.51, 135.21, 131.78, 129.82, 129.13, 128.66, 127.55, 126.92, 126.00, 123.39. GC-MS (m/z): 212。