¹H NMR (400 MHz, CDCl₃) δ 9.13 (s, 1H), 8.27 (s, 1H), 8.15 (d, J = 8.4 Hz, 1H), 7.87 (d, J = 8.1 Hz, 1H), 7.74 (t, J = 7.6 Hz, 1H), 7.69 (s, 1H), 7.59 (t, J = 7.4 Hz, 2H), 7.48 – 7.38 (m, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 149.4, 147.5, 139.7, 135.1, 133.5, 132.4, 130.4, 129.7, 129.2, 128.1, 128.0, 127.8, 127.5, 127.2, 125.5. HRMS (EI) m/z: calcd for C₁₅H₁₀ClN, 239.0502; found, 239.0499.