¹H NMR (400 MHz, CDCl₃) δ 7.22 (t, J = 7.9 Hz, 1H), 6.90 (d, J = 7.7 Hz, 1H), 6.85 – 6.81 (m, 1H), 6.79 – 6.71 (m, 2H), 6.44 (d, J = 15.6 Hz, 1H), 3.81 (s, 3H), 2.84 (q, J = 7.4 Hz, 2H), 1.37 (t, J = 7.4 Hz, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 159.81, 138.53, 129.53, 126.60, 125.32, 118.10, 112.32, 110.83, 55.16, 26.51, 14.54. HRMS (EI): calcd for C₁₁H₁₄OS: 194.0765, found: 194.0768。