¹H NMR (400 MHz, CDCl₃) δ 8.18 (d, J = 7.6 Hz, 2H), 7.59 (t, J = 7.2 Hz, 1H), 7.55 – 7.45 (m, 5H), 7.31 (s, 2H), 7.24 (s, 1H), 7.16 (d, J = 6.3 Hz, 3H), 6.96 (d, J = 6.5 Hz, 2H), 4.71 (t, J = 7.4 Hz, 2H), 2.95 (t, J = 7.4 Hz, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 184.5, 143.0, 138.7, 137.7, 137.3, 132.7, 130.7, 129.5, 129.1, 128.9, 128.8, 128.8, 128.6, 128.1, 126.7, 125.2, 47.3, 37.3. HRMS (EI) m/z: calcd for C₂₄H₂₀N₂O, 352.1576; found, 352.1580.