点击放大三臂-聚乙二醇-羟基(n=32)3-Arm-PEG32-OH; 3-Arm hydroxyl-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)