¹H NMR (400 MHz, CDCl₃) δ 7.51 – 7.43 (m, 2H), 7.39 (d, J = 7.3 Hz, 3H), 7.37 – 7.31 (m, 2H), 7.29 (d, J = 6.4 Hz, 3H), 6.67 (s, 1H), 2.84 (t, J = 7.3 Hz, 2H), 1.86 – 1.68 (m, 2H), 1.63 – 1.45 (m, 2H), 1.01 (t, J = 7.2 Hz, 3H). ¹³C NMR(101 MHz, CDCl₃) δ 141.97, 139.59, 138.29, 129.67, 128.20, 128.16, 127.34, 126.94, 126.70, 126.34, 34.56, 32.38, 21.70, 13.61. HRMS (EI): calcd for C₁₈H₂₀S: 268.1286, found: 268.1283。