熔点：61.7-63.6 ^oC。¹H NMR (400 MHz, CDCl₃) δ 8.80 (s, 1H), 8.14 (d, J = 8.3 Hz, 1H), 8.09 (d, J = 8.3 Hz, 1H), 7.72 (t, J = 7.3 Hz, 1H), 7.61 (t, J = 7.5 Hz, 1H), 7.37 – 7.27 (m, 4H), 2.65 (s, 3H), 2.45 (s, 3H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 151.6, 146.8, 140.5, 137.3, 135.6, 134.4, 129.9, 129.8, 129.1, 128.7, 128.0, 126.7, 124.2, 21.2, 15.6. HRMS (EI) m/z: calcd for C₁₇H₁₅N, 233.1204; found, 233.1200.