长沙资材科技有限公司

¹H NMR (400 MHz, CDCl₃) δ 8.09 (d, J = 8.0 Hz, 2H), 7.94 (d, J = 7.7 Hz, 2H), 7.89 (d, J = 6.9 Hz, 2H), 7.70 (s, 1H), 7.68 – 7.58 (m, 3H), 7.59 – 7.46 (m, 8H). ¹³C{H} NMR (101 MHz, CDCl₃) δ 140.76, 140.01, 133.83, 131.72, 131.59, 128.98, 128.31, 128.1, 127.73, 127.08, 126.10, 125.98, 125.78, 125.39. m/z (GC-MS): 330。