“…Yield: 94.3%. 1 H NMR (400 MHz, D 2 O): 5.62-5.75 (m, 1H, CH=C), 4.89∼5.07 (m, 2H, C=CH 2 ), 3.75∼3.76 (d, 6H, CH 2 -O), 3.60 (t, 2H, -CH-C=C), 3.33 (t, 3H, -OH), 3.04∼3.06(t, 6H, N-CH 2 -C-OH); IR (KBr), /cm -1 :3360, 2920, 1630, 1400, 1080, 900, 520.…”