¹H NMR (400 MHz, CDCl₃) δ 7.49 (d, J = 7.3 Hz, 4H), 7.43 (t, J = 7.5 Hz, 4H), 7.34 (dd, J = 10.2, 4.2 Hz, 2H), 5.30 (d, J = 6.2 Hz, 1H), 4.36 (d, J = 6.2 Hz, 1H), 4.25 (dd, J = 11.3, 4.7 Hz, 2H), 3.90 (dt, J = 12.1, 6.0 Hz, 2H), 2.20 (qt, J = 12.8, 5.0 Hz, 1H), 1.41 (dd, J = 13.4, 0.9 Hz, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 140.71, 128.91, 128.09, 126.30, 103.41, 67.08, 56.12, 25.53. GC-MS (m/z): 254。