熔点：138.2-140.3 ^oC。¹H NMR (400 MHz, CDCl₃) δ 9.05 (s, 1H), 8.25 (d, J = 8.3 Hz, 1H), 7.75 (t, J = 9.4 Hz, 2H), 7.51 (t, J = 7.6 Hz, 1H), 7.37 (s, 3H), 7.31 – 7.19 (m, 7H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 151.7, 147.4, 145.5, 138.0, 136.2, 133.1, 130.4, 130.1, 129.4, 129.1, 128.1, 128.0, 127.7, 127.2, 127.0, 126.8, 126.5. HRMS (EI) m/z: calcd for C₂₁H₁₅N, 281.1204; found, 281.1200.