点击放大环状聚乙二醇-聚乙二醇臂-炔基(n=12)76-crown-25-PEG12-Alkyne; Terminal alkyne-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=12)
点击放大环状聚乙二醇-聚乙二醇臂-马来酰亚胺(n=12)76-crown-25-PEG12-Mal; Mal-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=12)