¹H NMR (400 MHz, CDCl₃) δ 8.25 (d, J = 7.6 Hz, 2H), 7.63 – 7.58 (m, 1H), 7.57 – 7.48 (m, 5H), 7.46 (d, J = 6.6 Hz, 2H), 7.28 (s, 1H), 4.47 (t, J = 7.5 Hz, 2H), 1.77 – 1.64 (m, 2H), 1.30 – 1.15 (m, 10H), 0.87 (t, J = 6.8 Hz, 3H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 184.6, 143.2, 138.6, 138.0, 132.5, 130.7, 129.5, 129.2, 129.1, 129.0, 128.8, 128.1, 46.0, 31.6, 31.3, 29.0, 28.8, 26.5, 22.6, 14.0. HRMS (EI) m/z: calcd for C₂₄H₂₈N₂O, 360.2202; found, 360.2198.