Chloroacetamido-PEG4-NHS ester，丙烯酸琥珀酰亚胺-四聚乙二醇-氯乙酰胺

m-PEG24-azide

Biotin-PEG4-Amide

N-(m-PEG4)-N'-(amino-PEG3)-Cy5 TFA salt，N-(m-PEG4)-N'-(amino-PEG3)-Cy5

DNP-PEG4-NHS ester

Amino-PEG5-alcohol，NH2-PEG5-OH

m-PEG8-azide

N-Boc-N-bis(PEG4-NHS ester)

Benzyl-PEG4-acid

Biotin-PEG2-amine，Biotin-PEG2-NH2，N-Biotinyl-3,6-Dioxaoctane-1,8-Diamine

Amino-PEG4-t-Boc-hydrazide，Amino-PEG4-hydrazide-Boc

N-(HydroxRuixiG3)-N-Boc-PEG4-t-butyl ester

m-PEG8-Tos

Benzyl-PEG2-CH2CO2H，BnO-PEG1-CH2COOH

Azido-PEG3-Val-Cit-PAB-PNP

m-PEG37-NHS ester

Tr-PEG7，Tr-PEG6-OH

N-(t-Boc-N-amido-PEG10)-N-bis(PEG10-azide)

m-PEG2-amine，tris-3,6-dioxaheptylamine，3,6-dioxa-heptylamine

Phthalamide-PEG3-azide