¹H NMR (400 MHz, CDCl₃): δ 8.39 – 8.25 (m, 2H), 7.33 (s, 1H), 7.31 – 7.20 (m, 5H), 7.17 – 7.06 (m, 4H), 6.91 (d, J = 7.0 Hz, 2H), 5.69 (s, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃): δ 182.4, 166.9, 164.4 (d, J = 16.5 Hz), 162.0, 140.8 (d, J = 526.1 Hz), 137.4, 133.7 (d, J = 2.9 Hz), 133.5 (d, J = 9.2 Hz), 131.4 (d, J = 8.4 Hz), 129.5, 128.7, 127.5, 125.9, 124.6 (d, J = 3.6 Hz), 116.0 (d, J = 21.8 Hz), 115.2 (d, J = 21.8 Hz), 49.3. HRMS (EI) m/z: calcd for C₂₃H₁₆F₂N₂O, 374.1231; found, 374.1232.