熔点: 117.0-118.8 oC,1H NMR (400 MHz, CDCl3) δ 8.63 (s, 1H), 7.79 (d, J= 7.6 Hz, 1H), 7.74 (d, J = 7.6 Hz, 1H), 7.71 (s, 2H), 7.44 (dd, J = 14.2, 5.9 Hz, 2H), 7.38 – 7.27 (m, 2H). 13C{1H} NMR (101 MHz, CDCl3) δ 180.98, 156.27, 140.71, 140.58 139.97, 137.58, 133.73, 133.67, 132.74, 130.88, 130.52, 129.85, 127.63, 127.13, 121.29, 120.88. HRMS (ESI) (M+H)+ Calcd. for C16H10NO2Br2: 406.9019, Found: 406.9017.