Azido-PEG3-amine，N3-PEG3-NH2，Amino-PEG3-C2-Azido

t-Boc-N-amido-PEG4-acid，Boc-NH-PEG4-CH2CH2COOH

m-PEG24-DBCO

Amino-PEG8-acid，NH2-PEG8-acid，H2N-PEG8-COOH

Propargyl-PEG2-methylamine

DBCO-PEG8-Maleimide

Biotin-PEG2-C4-alkyne

NH-bis(PEG4-acid) HCl salt，NH-bis(PEG4-acid)

t-Boc-Aminooxy-PEG4-Tos，Boc-Aminooxy-PEG4-Tos

Propargyl-PEG6-acid

Bis-propargyl-PEG8

Bromo-PEG2-acid，3-[2-(2-Bromoethoxy)ethoxy]propanoic acid

endo-BCN-PEG6-t-butyl ester

Propargyl-PEG14-t-butyl ester

1,1,1-Trifluoroethyl-PEG4-aminooxy

Amino-PEG8-t-Boc-hydrazide

Biotin-PEG2-azide，生物素-二聚乙二醇-叠氮

N,N'-bis-(acid-PEG3)-Benzothiazole Cy5

Diketone-PEG11-Diketone

N-(m-PEG4)-N'-(azide-PEG4)-Cy3