¹H NMR (400 MHz, CDCl₃) δ: 7.87 (s, 1H), 7.77 (d, J = 7.7 Hz, 1H), 7.46 (d, J = 7.9 Hz, 1H), 7.36 – 7.32 (m, 1H), 4.36 – 4.29 (m, 1H), 3.82 (dd, J = 14.6, 7.3 Hz, 1H), 3.83 – 3.68 (dd, J = 14.9, 7.4 Hz, 1H), 3.30 – 3.25 (dd, J = 16.2, 6.3 Hz, 1H), 2.99 – 2.93 (dd, J = 16.2, 6.3 Hz, 1H), 2.15 – 2.09 (td, J = 12.8, 6.5 Hz, 1H), 1.90 – 1.83 (m, 2H), 1.50 – 1.45 (m, 1H). ¹³C NMR (100 MHz, CDCl₃) δ: 25.6, 31.6, 44.7, 67.9, 75.2, 126.3, 128.3, 129.9, 133.0, 134.9, 138.6, 197.1. HRMS (EI) Calcd for C₁₂H₁₃BrO₂ (M⁺) 268.0099; Found, 268.0103.