熔点：124.1-126.9 ^oC。¹H NMR (400 MHz, CDCl₃) δ 9.23 (s, 1H), 8.90 (s, 1H), 8.33 (s, 1H), 8.27 – 8.09 (m, 3H), 8.07 – 7.94 (m, 2H), 7.84 (d, J = 7.8 Hz, 1H), 7.69 (t, J = 7.4 Hz, 1H), 7.60 – 7.47 (m, 1H), 7.46 – 7.34 (m, 1H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 150.7, 149.5, 147.6, 147.3, 136.2, 135.7, 133.6, 132.7, 130.3, 129.6, 129.1, 128.7, 128.3, 127.9, 127.8, 127.1, 125.9, 121.6. HRMS (EI) m/z: calcd for C₁₈H₁₂N₂, 256.1000; found, 256.0997.