¹H NMR (400 MHz, CDCl₃) δ 9.20 (d, J = 1.7 Hz, 1H), 8.32 (s, 1H), 8.16 (d, J = 8.5 Hz, 1H), 7.89 (d, J = 8.1 Hz, 1H), 7.73 (t, J = 7.8 Hz, 3H), 7.56 (dt, J = 21.5, 7.6 Hz, 3H), 7.45 (t, J = 7.2 Hz, 1H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 149.8, 147.2, 137.8, 133.8, 133.3, 129.4, 129.2, 129.1, 128.1, 128.0, 128.0, 127.4, 127.0. HRMS (EI) m/z: calcd for C₁₅H₁₁N, 205.0891; found, 205.0896.