¹H NMR (400 MHz, CDCl₃) δ 7.23 (d, J = 7.9 Hz, 2H), 7.18 (d, J = 7.9 Hz, 2H), 5.08 (t, J = 4.9 Hz, 1H), 4.04 – 3.93 (m, 2H), 3.92 – 3.80 (m, 2H), 2.98 (d, J = 4.9 Hz, 2H), 2.66 (q, J = 7.6 Hz, 2H), 1.27 (t, J = 7.6 Hz, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 142.34, 133.24, 129.45, 127.76, 104.74, 64.85, 40.29, 28.39, 15.47. HRMS (EI): calcd for C₁₂H₁₆O₂: 192.1150, found: 192.1153。