m-PEG9-t-butyl ester，m-PEG9-Boc

m-PEG4-NHS ester

Biotin-PEG4-S-S-NHS

Azide-PEG5-Tos

m-PEG5-triethoxysilane

m-PEG6-thiol，巯基六甘醇单甲醚

Fmoc-PEG3-CH2CO2-NHS，Fmoc-N-PEG3-CH2-NHS ester

TCO-PEG4-Val-Cit-PAB-PNP

m-PEG10-Tos

PEG-14，HO-PEG13-OH

Trityl-PEG10-azide

m-PEG4-acid，m-PEG3-CH2CH2COOH

C11-PEG13-alcohol

Azide-PEG12-Tos

m-PEG12-Thiol

Active-Mono-Sulfone-PEG9-DBCO

N-(Azido-PEG4)-L-Lyisine

m-PEG4-CH2COOH

PEG21，HO-PEG20-OH

m-PEG6-NHS ester