methyl (6E,8Z,11Z,14Z)-5-(hydroxymethyl)-6,8,11,14-eicosatetraenoate

methyl 5-(tert-butoxymethyl)-6(E),8(Z),11(Z),14(Z)-tetraeicosaenoate

methyl 8-ethoxy-6-hydroxy-5-<<(tetrahydropyranyl)oxy>methyl>-7-octenoate

2-(3-chloropropyl)propane-1,3-diol