¹H NMR (400 MHz, CDCl₃) δ 8.95 (s, 1H), 8.26 (d, J = 8.4 Hz, 1H), 8.02 (d, J = 7.9 Hz, 1H), 7.96 – 7.82 (m, 5H), 7.78 (d, J = 7.7 Hz, 1H), 7.62 – 7.50 (m, 5H), 7.46 (d, J = 8.4 Hz, 1H), 7.29 – 7.20 (m, 3H), 7.02 (d, J = 7.2 Hz, 2H), 5.84 (s, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 184.0, 143.9, 139.2, 137.7, 135.4, 134.9, 133.2, 133.2, 133.0, 132.4, 130.0, 129.7, 129.1, 128.7, 128.6, 128.3, 128.2, 127.8, 127.8, 127.6, 127.4, 127.0, 126.8, 126.6, 126.4, 126.2, 126.1, 125.9, 49.5. HRMS (EI) m/z: calcd for C₃₁H₂₂N₂O, 438.1732; found, 438.1729.