点击放大环状聚乙二醇-聚乙二醇臂-DMA(n=32)196-crown-65-PEG32-DMA; Cyclic poly(ethylene glycol) bearing a PEG arm conjugated to N,N-Ditetradecylacetamide (arm n=32)
点击放大环状聚乙二醇-聚乙二醇臂-羟基(n=32)196-crown-65-PEG32-OH; Hydroxyl-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=32)
点击放大环状聚乙二醇-聚乙二醇臂-氨基(n=32)196-crown-65-PEG32-NH2; Primary amine-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=32)
点击放大环状聚乙二醇-聚乙二醇臂-羧甲基(n=32)196-crown-65-PEG32-CH2COOH; Carboxylic acid-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=32)