m-PEG6-alcohol，Hexaethylene glycol monomethyl ether

m-PEG8-aldehyde，m-PEG7-CH2CH2CHO

Diketone-PEG11-PFP ester

3,4-Dibromo-Mal-PEG8-t-butyl ester，3,4-Dibromo-Mal-PEG8-Boc

Bromoacetamido-PEG4-NHS ester

Mal-PEG5-NHS ester

m-PEG6-Tos

t-Boc-N-amido-PEG1-CH2CO2H，Boc-NH-PEG1-CH2COOH

Mal-PEG4-Glu(TFP ester)-NH-m-PEG24

Biotin-PEG6-acid

N-(Azido-PEG10)-N-(PEG10-NH-Boc)-PEG10-acid

Biotin-PEG8-acid

m-PEG6-2-methylacrylate

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:5000

m-PEG1-acid，3-Methoxypropanoic acid

Azidoethyl-PEG2-t-Butyl ester，Azidoethyl-SS-PEG2-Boc

Mal-amido-PEG23-amine

Biotin-PEG3-NHS ester

Biotin-PEG5-amine

Tetra-(amido-PEG23-azide)