1H NMR (400 MHz, CDCl3) δ 7.62 (d, J = 8.7 Hz, 2H), 7.56 – 7.48 (m, 4H), 7.45 – 7.35 (m, 8H). 13C{1H} NMR (101 MHz, CDCl3) δ 169.2, 136.4, 132.2, 130.9, 130.1, 130.0, 128.6, 128.3, 127.4, 121.3. HRMS (EI) m/z: calcd for C22H14BrNO2, 403.0208; found, 403.0204.