¹H NMR (400 MHz, CDCl₃) δ 7.37 (s, 1H), 7.27 (t, J = 6.1 Hz, 1H), 7.19 (d, J = 8.2 Hz, 1H), 5.11 (t, J = 4.8 Hz, 1H), 4.05 – 3.91 (m, 2H), 3.89 – 3.77 (m, 2H), 3.09 (d, J = 4.8 Hz, 2H). ¹³C NMR (101 MHz, CDCl₃) δ 135.08, 133.12, 132.67, 132.64, 129.11, 126.96, 102.91, 64.97, 37.53. HRMS (EI): calcd for C₁₀H₁₀Cl₂O₂: 232.0058, found: 232.0061。