长沙资材科技有限公司

¹H NMR (400 MHz, CDCl₃) δ 7.98 (s, 1H), 7.64 (d, J = 8.0 Hz, 1H), 7.34 (d, J = 8.4 Hz, 1H), 7.19 (t, J = 7.5 Hz, 1H), 7.15 – 7.07 (m, 2H), 6.54 (s, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 135.72, 127.79, 124.10, 121.93, 120.68, 119.76, 110.99, 102.53. GC-MS (m/z): 117。