¹H NMR (400 MHz, CDCl₃) δ 7.46 (d, J = 7.9 Hz, 1H), 7.26 (d, J = 7.5 Hz, 1H), 7.22 – 7.10 (m, 1H), 7.00 (t, J = 7.6 Hz, 1H), 5.08 (t, J = 4.1 Hz, 1H), 3.98 – 3.84 (m, 2H), 3.84 – 3.65 (m, 2H), 3.05 (d, J = 4.2 Hz, 2H). ¹³C NMR (101 MHz, CDCl₃) δ 135.75, 132.62, 131.82, 128.29, 127.29, 124.85, 103.19, 64.87, 40.54. GC-MS (m/z): 241。