¹H NMR (400 MHz, CDCl₃) δ 8.28 (d, J = 7.5 Hz, 2H), 7.68 (d, J = 7.8 Hz, 1H), 7.60 (t, J = 7.3 Hz, 1H), 7.57 – 7.43 (m, 6H), 7.31 – 7.24 (m, 3H), 7.15 – 7.07 (m, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 182.8, 144.1, 138.6, 137.9, 136.8, 133.1, 131.6 (d, J = 33.3 Hz), 131.2, 130.8, 129.6, 129.3, 128.7, 128.7, 128.6, 128.2, 127.8, 125.5 (q, J = 3.7 Hz), 124.7 (dd, J = 8.1, 4.3 Hz), 122.0. HRMS (EI) m/z: calcd for C₂₃H₁₅F₃N₂O, 392.1136; found, 392.1132.