长沙资材科技有限公司

¹H NMR (400 MHz, CDCl₃) δ 8.00 (d, J = 2.2 Hz, 2H), 7.39 – 7.31 (m, 2H), 7.27 (d, J = 1.9 Hz, 2H), 3.61 (t, J = 7.3 Hz, 2H), 1.72 – 1.67 (m, 2H), 0.97 (t, J = 7.4 Hz, 3H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 171.1, 129.4, 129.1, 127.6, 126.9, 125.7, 40.0, 21.9, 11.3. HRMS (EI) m/z: calcd for C₁₅H₁₃NO₂S₂, 303.0388; found, 303.0390.