¹H NMR (400 MHz, CDCl₃) δ 9.21 (d, J = 2.0 Hz, 1H), 9.10 (d, J = 1.6 Hz, 1H), 8.71 (d, J = 8.1 Hz, 1H), 8.08 – 7.94 (m, 3H), 7.78 (d, J = 7.7 Hz, 2H), 7.75 – 7.65 (m, 2H), 7.57 (t, J = 7.6 Hz, 2H), 7.47 (t, J = 7.4 Hz, 1H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 148.6, 147.0, 138.1, 134.3, 132.0, 130.9, 129.7, 129.2, 128.8, 128.7, 128.2, 127.6, 127.6, 127.5, 127.2, 125.3, 122.6. HRMS (EI) m/z: calcd for C₁₉H₁₃N, 255.1048; found, 255.1044.