熔点: 141.5-144.2 oC,1H NMR (400 MHz, CDCl3) δ 8.68 (s, 1H), 8.58 (d, J= 7.8 Hz, 1H), 8.18 (s, 1H), 7.99 (s, 1H), 7.79 (dd, J = 17.3, 7.9 Hz, 2H), 7.53 (d, J = 7.8 Hz, 1H), 7.46 (t, J = 8.0 Hz, 1H), 7.34 (t, J = 8.0 Hz, 1H). 13C{1H} NMR (101 MHz, CDCl3) δ 177.11, 157.20, 141.53, 136.99, 136.41, 133.68, 131.97 , 131.74, 130.52, 130.14, 129.70, 128.83, 127.20, 124.40, 123.12, 122.77. HRMS (ESI) (M+H)+ Calcd. for C16H10NO2Br2: 406.9020, Found: 406.9018.