1H NMR (400 MHz, CDCl3) δ 6.32 (s, 1H), 2.37 (s, 3H), 2.04 (s, 2H), 1.26 (m, 20H), 0.96 (t, J = 7.4 Hz, 3H). 13C{1H} NMR (101 MHz, CDCl3) δ 133.08, 103.47, 33.91, 30.57, 29.65, 29.62, 29.53, 29.29, 28.22, 22.68, 18.07, 16.28, 14.10, 13.70. GC-MS (m/z) = 368.