¹H NMR (400 MHz, CDCl₃) δ 7.85 (s, 1H), 7.61 (dd, J = 15.4, 7.5 Hz, 6H), 7.55 – 7.48 (m, 1H), 7.38 (d, J = 7.5 Hz, 4H), 3.28 – 2.81 (m, 2H), 1.36 (d, J = 6.9 Hz, 12H). ¹³C{H} NMR (101 MHz, CDCl₃) δ 148.07, 141.64, 138.77, 129.03, 127.15, 126.85, 125.87, 125.70, 33.81, 24.01. m/z (GC-MS): 314。