长沙资材科技有限公司

¹H NMR (400 MHz, CDCl₃) δ 7.76 (d, J = 7.6 Hz, 1H), 7.64 (d, J = 8.0 Hz, 1H), 7.57 (d, J = 3.2 Hz, 4H), 7.40 (s, 2H), 7.31 – 7.22 (m, 2H), 6.75 (s, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 139.81, 135.84, 129.57, 129.30, 127.91, 126.40, 124.34, 122.31, 121.09, 120.32, 110.47, 103.54. GC-MS (m/z): 193。