点击放大环状聚乙二醇-聚乙二醇臂-羟基（n=64）388-crown-129-PEG64-OH; Hydroxyl-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=64)
点击放大四臂-聚乙二醇-氨基（n=64）4-Arm-PEG64-NH2; 4-Arm primary amine-functionalized discrete poly(ethylene glycol) (PEG arm n=64)
点击放大四臂-聚乙二醇-NHS活性酯（n=64）4-Arm-PEG64-CH2CH2COONHS Ester; 4-Arm N-hydroxysuccinimide ester-functionalized discrete poly(ethylene glycol) (PEG arm n=64)
点击放大四臂-聚乙二醇-巯基（n=64）4-Arm-PEG64-SH; 4-Arm thiol-functionalized discrete poly(ethylene glycol) (PEG arm n=64)
点击放大双臂-聚乙二醇-羟基（n=45）2-Arm-PEG-OH (n=45, per arm); 2-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大四臂-聚乙二醇-羟基（n=45）4-Arm-PEG-OH (n=45, per arm); 4-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大六臂-聚乙二醇-羟基（n=45）6-Arm-PEG-OH (n=45, per arm); 6-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大八臂-聚乙二醇-羟基（n=45）8-Arm-PEG-OH (n=45, per arm); 8-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大三臂-聚乙二醇-羧乙基（n=45）3-Arm-PEG-CH2CH2COOH (n=45, per arm); 3-Arm carboxylic acid-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大环状聚乙二醇-聚乙二醇臂-羧甲基（n=64）388-crown-129-PEG64-CH2COOH; Carboxylic acid-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=64)
