¹H NMR (400 MHz, CDCl₃) δ 7.24 (d, J = 8.1 Hz, 2H), 7.15 (d, J = 8.0 Hz, 2H), 6.70 (d, J = 15.6 Hz, 1H), 6.49 (d, J = 15.6 Hz, 1H), 2.84 (t, J =7.6 Hz, 2H), 2.37 (s, 3H), 1.72 (m, 2H), 1.50 (m ,2H), 0.99 (t, J = 7.4 Hz, 3H). ¹³C NMR (101 MHz, CDCl₃) δ 136.55, 134.42, 129.28, 126.98, 125.37, 124.04, 32.40, 31.56, 21.93, 21.12, 13.65. HRMS (EI): calcd for C₁₃H₁₈S: 206.1129, found: 206.1127。