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)
点击放大四臂-聚乙二醇-氨基（n=32）4-Arm-PEG32-NH2; 4-Arm primary amine-functionalized discrete poly(ethylene glycol) (PEG arm n=32)
点击放大四臂-聚乙二醇-NHS活性酯（n=32）4-Arm-PEG32-CH2CH2COONHS Ester; 4-Arm N-hydroxysuccinimide ester-functionalized discrete poly(ethylene glycol) (PEG arm n=32)
点击放大四臂-聚乙二醇-巯基（n=32）4-Arm-PEG32-SH; 4-Arm thiol-functionalized discrete poly(ethylene glycol) (PEG arm n=32)
点击放大双臂-聚乙二醇-羟基（n=24）2-Arm-PEG-OH (n=24, per arm); 2-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=24)
点击放大四臂-聚乙二醇-羟基（n=24）4-Arm-PEG-OH (n=24, per arm); 4-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=24)
点击放大六臂-聚乙二醇-羟基（n=24）6-Arm-PEG-OH (n=24, per arm); 6-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=24)
点击放大八臂-聚乙二醇-羟基（n=24）8-Arm-PEG-OH (n=24, per arm); 8-Arm hydroxyl-functionalized discrete poly(ethylene glycol) (PEG arm n=24)
点击放大三臂-聚乙二醇-羧乙基（n=24）3-Arm-PEG-CH2CH2COOH (n=24, per arm); 3-Arm carboxylic acid-functionalized discrete poly(ethylene glycol) (PEG arm n=24)
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)
