1H NMR (400 MHz, CDCl3) δ 7.70 (d, J = 1.5 Hz, 1H), 7.65 – 7.45 (m, 11H). 13C{H} NMR (101 MHz, CDCl3) δ 140.75, 139.85, 131.94, 129.47, 128.80, 126.24, 125.64, 121.82. m/z (GC-MS): 385。