¹H NMR (400 MHz, CDCl₃) δ 7.42-7.37 (m, 2H), 7.35-7.31 (m, 1H), 7.29-7.27 (m, 1H), 7.25-7.19 (m, 4H), 6.20 (q, J = 7.0 Hz, 1H), 1.79 (d, J = 7.0 Hz, 3H); ¹³C{H} NMR (101 MHz, CDCl₃) δ 143.0, 142.5, 140.0, 130.0, 128.1, 128.0, 127.2, 126.8, 126.7, 124.1, 15.7。