¹H NMR (400 MHz, CDCl₃) δ 7.52 (s, 1H), 7.45 – 7.37 (m, 3H), 6.85 (d, J = 15.6 Hz, 1H), 6.45 (d, J = 15.6 Hz, 1H), 2.86 (q, J = 7.4 Hz, 2H), 1.38 (t, J = 7.4 Hz, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 137.84, 131.66 – 130.74 (m), 129.02, 128.42, 127.59, 124.63, 123.10 (q, J = 3.8 Hz), 122.75, 121.94 (q, J = 3.8 Hz), 26.44, 14.47. HRMS (EI): calcd for C₁₁H₁₁F₃S: 232.0534, found: 232.0533。