¹H NMR (400 MHz, CDCl₃) δ 8.14 (d, J = 7.6 Hz, 2H), 7.64 – 7.57 (m, 2H), 7.55 – 7.50 (m, 3H), 7.44 – 7.29 (m, 7H), 7.25 – 7.19 (m, 2H), 7.19 – 7.12 (m, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 140.74, 139.80, 139.43, 138.31, 129.36, 128.75, 128.31, 128.20, 128.16, 127.73, 125.67, 123.61, 120.61, 120.07, 119.90, 110.50. HRMS (EI): calcd for C₂₆H₁₉N: 345.1517, found: 345.1520。