点击放大Y型-双臂-甲氧基-聚乙二醇-NHS活性酯(n=32)Y-(mPEG32)2-NHS; Y-shaped bis(methoxy-poly(ethylene glycol)) with a single N-hydroxysuccinimide ester conjugation handle (PEG arm n=32)
点击放大环状聚乙二醇-聚乙二醇臂-马来酰亚胺(n=32)196-crown-65-PEG32-Mal; Mal-terminated PEG arm on a cyclic poly(ethylene glycol) scaffold (arm n=32)
点击放大双臂-聚乙二醇-马来酰亚胺(n=24)2-Arm-PEG-Mal (n=24, per arm); 2-Arm Mal-functionalized discrete poly(ethylene glycol) (PEG arm n=24)
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)