¹H NMR (400 MHz, CDCl₃) δ 8.95 (s, 1H), 8.21 (d, J = 8.3 Hz, 1H), 7.93 (d, J = 8.3 Hz, 1H), 7.74 (t, J = 7.4 Hz, 1H), 7.52 (s, 6H), 7.35 (s, 1H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 149.7, 148.8, 148.4, 137.9, 129.6, 129.5, 129.4, 128.6, 128.5, 126.7, 126.7, 125.9, 121.3. HRMS (EI) m/z: calcd for C₁₅H₁₁N, 205.0891; found, 205.0888.