mp=173-175 oC; 1H NMR (400 MHz, CDCl3) δ 7.62 – 7.52 (m, 2H), 7.44 – 7.37 (dd, J = 15.3, 7.6 Hz, 4H), 7.04 (s, 1H), 6.66 – 6.63 (d, J = 8.2 Hz, 1H), 3.88 (d, J = 14.8 Hz, 1H), 3.65 (d, J = 14.8 Hz, 1H), 3.20 (s, 3H), 1.34 (s, 3H); 13C NMR (100 MHz, CDCl3) δ: 25.2, 26.6, 45.4, 61.7, 85.1, 110.4, 127.4, 128.9, 131.6, 132.6, 133.8, 137.4, 139.6, 143.2, 176.8; HRMS (EI) m/z calcd for C17H16INO3S [M+]: 440.9896; found, 440.9882.