点击放大环状聚乙二醇-聚乙二醇臂-炔基(n=6)40-crown-13-PEG6-Alkyne; Terminal alkyne-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=6)
点击放大环状聚乙二醇-聚乙二醇臂-马来酰亚胺(n=6)40-crown-13-PEG6-Mal; Mal-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=6)