¹H NMR (400 MHz, CDCl₃) δ 7.42 (s, 1H), 7.34 – 7.26 (m, 1H), 7.22 – 7.13 (m, 2H), 7.10 (d, J = 13.0 Hz, 1H), 5.78 (d, J = 13.0 Hz, 1H), 3.74 (s, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 149.85, 138.66, 130.03, 128.43, 127.89, 123.64, 122.74, 103.85, 56.64. HRMS (EI): calculated for C₉H₁₉BrO: 211.9837; found: 211.9834。