点击放大环状聚乙二醇-聚乙二醇臂-羟基（n=4）28-crown-9-PEG4-OH; Hydroxyl-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-氨基（n=4）28-crown-9-PEG4-NH2; Primary amine-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-NHS活性酯（n=4）28-crown-9-PEG4-CH2COONHS Ester; N-hydroxysuccinimide ester-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-巯基（n=4）28-crown-9-PEG4-SH; Thiol-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-叠氮（n=4）28-crown-9-PEG4-N3; Azido-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-炔基（n=4）28-crown-9-PEG4-Alkyne; Terminal alkyne-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-马来酰亚胺（n=4）28-crown-9-PEG4-Mal; Mal-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-DSPE（n=4）28-crown-9-PEG4-DSPE; Cyclic poly(ethylene glycol) bearing a PEG arm conjugated to 1,2-Distearoyl-sn-glycero-3-phosphoethanolamine (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-DMA（n=4）28-crown-9-PEG4-DMA; Cyclic poly(ethylene glycol) bearing a PEG arm conjugated to N,N-Ditetradecylacetamide (arm n=4)
点击放大环状聚乙二醇-聚乙二醇臂-DMG（n=4）28-crown-9-PEG4-DMG; Cyclic poly(ethylene glycol) bearing a PEG arm conjugated to Dimyristoylglycerol (arm n=4)
