1H NMR (400 MHz, CDCl3) δ 6.32 (s, 1H), 2.36 (s, 3H), 1.63 (m, 2H), 1.24 (m, 7.2 Hz, 8H), 0.95 (t, J = 7.4 Hz, 3H). 13C{1H} NMR (101 MHz, CDCl3) δ 133.09, 100.79, 31.55, 29.62, 27.89, 22.55, 19.19, 18.42, 14.06. GC-MS (m/z) = 284.