methyl 20-(2,5-dichlorophenyloxy)-3,6,9,12,15,18-hexaoxaeicosanoate

methyl 20-(4,4''-didecyloxy-p-terphenyl-2'-yloxy)-3,6,9,12,15,18-hexaoxaeicosanoate

methyl 20-(4-toluenesulfonyloxy)-3,6,9,12,15,18-hexaoxaeicosanoate