1H NMR (400 MHz, CDCl3) δ 7.70 (t, J = 1.6 Hz, 1H), 7.56 – 7.49 (m, 5H), 7.46 (d, J = 8.3 Hz, 1H), 7.43 – 7.34 (m, 7H). 13C{1H} NMR (101 MHz, CDCl3) δ 169.1, 136.4, 133.0, 130.7, 130.2, 130.1, 130.0, 129.0, 128.6, 128.2, 124.5, 122.3. HRMS (EI) m/z: calcd for C22H14BrNO2, 403.0208; found, 403.0211.