熔点:158.3-160.1 oC。1H NMR (400 MHz, CDCl3) δ 8.88 (s, 1H), 8.18 (d, J = 8.3 Hz, 1H), 8.12 (d, J = 8.3 Hz, 1H), 7.75 (t, J = 7.1 Hz, 3H), 7.69 (d, J = 7.8 Hz, 2H), 7.64 (t, J = 7.6 Hz, 1H), 7.50 (t, J = 7.4 Hz, 4H), 7.40 (t, J = 7.1 Hz, 1H), 2.71 (s, 3H). 13C{1H} NMR (101 MHz, CDCl3) δ 151.4, 146.9, 140.7, 140.5, 140.4, 137.5, 134.0, 130.3, 129.9, 128.9, 128.8, 128.0, 127.5, 127.1, 127.1, 126.8, 124.2, 15.7. HRMS (EI) m/z: calcd for C22H17N, 295.1361; found, 295.1359.