Li, Zhongyu Synthesis of X(Y)-(EO)(n)-OCH₃ type heterobifunctional and X(Y)-(EO)(n)-Z type heterotrifunctional poly(ethylene glycol)s. [electronic resource] - Bioconjugate chemistry Mar 2011 - 518-22 p. digital Publication Type: Journal Article ISSN: 1520-4812 Standard No.: 10.1021/bc100417k doi Subjects--Topical Terms: Acetals--chemistryCross-Linking Reagents--chemical synthesisEthers--chemistryPolyethylene Glycols--chemical synthesisPolymerizationPropylene Glycols--chemistry