¹H NMR (400 MHz, CDCl₃): δ 8.35 (d, J = 7.8 Hz, 2H), 7.72 (d, J = 7.8 Hz, 2H), 7.69 – 7.58 (m, 6H), 7.52 – 7.37 (m, 9H), 7.32 – 7.20 (m, 3H), 7.02 (d, J = 7.0 Hz, 2H), 5.82 (s, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃): δ 183.6, 145.3, 143.8, 141.9, 140.2, 140.0, 138.9, 137.7, 136.4, 131.3, 129.8, 129.5, 128.9, 128.8, 128.7, 128.0, 127.8, 127.5, 127.4, 127.4, 127.3, 127.0, 126.8, 126.0, 49.3. HRMS (EI) m/z: calcd for C₃₅H₂₆N₂O, 490.2045; found, 490.2041.