N-Boc-N-bis(PEG1-azide)，N-Boc-N-bis(C2-PEG1-azide)

Bromo-PEG8-t-butyl ester，Bromo-PEG8-Boc

N-(m-PEG4)-N'-(DBCO-PEG4)-Cy5

t-Boc-Aminooxy-PEG3-amine，Boc-Aminooxy-PEG3-C2-NH2

Bis-PEG5-NHS ester

Benzyl-PEG3-alcohol，Diethylene Glycol Monobenzyl Ether

Propargyl-PEG2-acrylate

m-PEG4-amine，3,6,9,12-Tetraoxatridecan-1-amine

Biotin-PEG3-acid

Biotin-PEG12-TFP ester

Biotin-PEG11-Mal

TCO-PEG12-DBCO

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic t-butyl ester

m-PEG12-bromide，m-PEG12-Br

Benzyl-PEG3-CH2CO2tBu，Benzyl-PEG2-CH2-Boc

t-Boc-aminooxy-PEG1-propargyl

t-Boc-N-Amido-PEG7-propargyl， Boc-NH-PEG7-propargyl

DBCO-NHCO-PEG4-acid

Biotin-PEG6-acid

t-Boc-N-Amido-PEG9-propargyl，Boc-NH-PEG9-propargyl