1H NMR (400 MHz, CDCl3) δ 7.10 (s, 1H), 6.67 – 6.50 (m, 2H), 6.37 (s, 1H), 2.37 (s, 3H). 13C{1H} NMR (101 MHz, CDCl3) δ 148.31, 137.31, 126.81, 124.71, 117.55, 89.70, 14.92. GC-MS (m/z) = 282.