3-((2,5,8,11-tetraoxatridecan-13-yl)oxy)aniline

Endo-BCN-PEG4-NHS ester

mPEG5000-Br中间体

Mal-NH-PEG4-NHS ester

叠氮-八聚乙二醇-叠氮

苄基-八聚乙二醇-甲磺酸酯

3-(2-(2-(3-bromopropoxy)ethoxy)ethyl)oxazolidin-2-one

(2-(2-(2-bromoethoxy)ethoxy)ethyl)-3,3,3-trifluoro-N-methylp

双琥珀酰亚胺辛二酸酯钠盐

双取代丙烯酸琥珀酰亚胺酯-八聚乙二醇