1H NMR (400 MHz, CDCl3) δ 7.83 (d, J = 7.8 Hz, 2H), 7.64 (d, J = 8.0 Hz, 1H), 7.53 (m, 1H), 7.42 – 7.39 (m, 2H), 7.04 (d, J = 7.2 Hz, 1H), 6.68 – 6.65 (m, 1H), 3.69 (s, 5H), 1.41 (s, 3H); 13C NMR (100 MHz, CDCl3) δ: 25.3, 30.3, 44.8, 46.3, 71.9, 121.2, 123.8, 127.9, 128.5, 133.3, 136.1, 136.8, 140.3, 144.2, 181.3, 195.8; HRMS (EI) m/z calcd for C18H16INO2 [M+]: 405.0226; found 405.0221.