Iodo-PEG3-Azide，Iodo-PEG4-N3

m-PEG9-Tos

m-PEG7-alcohol，O-Methyl-heptaethylene glycol

m-PEG3-(CH2)3-alcohol，m-PEG3-CH2-alcohol

m-PEG9-acid，甲氧基-九聚乙二醇-丙酸

(4E)-TCO-PEG4-NHS ester

PEG12，HO-PEG11-OH

Mal-PEG2-Val-Cit-PAB-OH，Mal-PEG2-Val-Cit-amido-PAB-OH

Fmoc-NMe-PEG4-acid，Fmoc-NMe-PEG4-C2-acid

Azide-PEG3-Tos

Propargyl-PEG1-SS-PEG1-PFP ester

Amino-SS-PEG12-acid

Fmoc-PEG24-alcohol

Azido-SS-PEG2-acid，Azido-C2-SS-PEG2-C2-acid

Fmoc-N-amido-PEG24-acid

THP-PEG7，THP-PEG6-OH

Diketone-PEG12-Biotin

Fmoc-PEG4-alcohol，Fmoc-NH-PEG4-alcohol

m-PEG7-4-nitrophenyl carbonate

Iodoacetamido-PEG8-acid