¹H NMR (400 MHz, CDCl₃) δ 7.13 (d, J = 5.1 Hz, 1H), 6.98 (q, J = 5.0, 1H), 6.88 (d, J = 3.5 Hz, 1H), 6.65 (d, J = 15.6 Hz, 1H), 6.60 (d, J = 15.6 Hz, 1H), 2.828 (t, J = 7.6 Hz, 2H), 1.83 – 1.66 (m, 2H), 1.55 - 1.45 (m, 2H), 0.99 (t, J = 7.3 Hz, 3H).¹³C NMR (101 MHz, CDCl₃) δ 142.27, 127.36, 124.91, 123.65, 123.18, 120.56, 32.50, 31.49, 21.88, 13.63. HRMS (EI): calcd for C₁₀H₁₄S₂: 198.0537, found: 198.0535。