十二聚乙二醇

2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxymethylbenzene

八聚乙二醇单苄基醚

3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57-nonadecaoxanonapentacontane-1,59-diol