¹H NMR (400 MHz, CDCl₃) δ 8.26 – 8.16 (m, 1H), 7.96 -7.93 (m, 1H), 7.87 – 7.78 (m, 1H), 7.67 – 7.54 (m, 2H), 7.55 – 7.46 (m, 2H), 7.10 (d, J = 12.6 Hz, 1H), 6.58 (d, J = 12.6 Hz, 1H), 3.88 (s, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 150.16, 133.71, 133.44, 131.46, 128.43, 126.53, 125.67, 125.65, 124.08, 122.91, 102.17, 56.63. GC-MS (m/z): 184。