¹H NMR (400 MHz, CDCl₃) δ 7.43-7.38 (m, 2H), 7.35-7.29 (m, 3H), 7.25-7.13 (m, 5H), 7.10-7.03 (m, 3H), 6.99-6.92 (m, 2H), 2.55 (q, J = 7.4 Hz, 2H), 1.01 (t, J = 7.5 Hz, 3H); ¹³C{H} NMR (101 MHz, CDCl₃) δ 143.5, 143.0, 142.2, 142.1, 138.8, 130.7, 129.7, 129.4, 128.1, 127.8, 127.3, 126.6, 126.1, 125.7, 29.0, 13.6。