点击放大环状聚乙二醇-聚乙二醇臂-氨基(n=96)580-crown-193-PEG96-NH2; Primary amine-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=96)
点击放大环状聚乙二醇-聚乙二醇臂-炔基(n=96)580-crown-193-PEG96-Alkyne; Terminal alkyne-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=96)