¹H NMR (400 MHz, CDCl₃) δ 8.76 (s, 1H), 8.14 (d, J = 8.3 Hz, 1H), 8.09 (d, J = 8.4 Hz, 1H), 7.74 (t, J = 7.5 Hz, 1H), 7.63 (t, J = 7.6 Hz, 1H), 7.48 (d, J = 8.2 Hz, 2H), 7.33 (d, J = 8.3 Hz, 2H), 2.63 (s, 3H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 151.1, 147.1, 140.8, 137.0, 133.9, 133.3, 131.2, 130.0, 129.1, 128.7, 127.9, 126.9, 124.2, 15.6. HRMS (EI) m/z: calcd for C₁₆H₁₂ClN, 253.0658; found, 253.0661.