Active-Mono-Sulfone-PEG9-DBCO

Azido-PEG7-azide，N3-PEG7-N3

N,N'-DME-N-PEG2-tert-butyl ester，N,N'-DME-N-PEG2-Boc

Azido-PEG1-methylamine，Azido-PEG1-C2-methylamine

m-PEG4-CH2-aldehyde

N-Boc-N-bis(PEG4-OH)

Biotin-PEG36-acid

Azido-PEG3-t-butyl ester，N3-PEG3-CH2CH2-Boc

Methyltetrazine-PEG5-NHS ester

Lipoamido-PEG2-alcohol，Lipoamido-PEG2-OH

Bromo-PEG4-bromide，1,14-Dibromo-3,6,9,12-tetraoxatetradecane

Bromo-PEG4-acid，1-Bromo-3,6,9,12-tetraoxapentadecan-15-oic acid

m-PEG3-triethoxysilane，m-PEG3-amido-C3-triethoxysilane

Azido-PEG4-4-nitrophenyl carbonate

Ald-Phenyl-PEG5-t-butyl ester，Ald-Ph-PEG5-Boc

Bromo-PEG4-CH2CO2tBu，Br-PEG4-CH2-Boc

N-Mal-N-bis(PEG2-amine) TFA salt，N-Mal-N-bis(PEG2-amine)

N-Boc-PEG3-bromide

Azido-PEG4-Amido-tri-(carboxyethoxymethyl)-methane

N-Mal-N-bis(PEG4-acid)，Mal-N-bis(PEG4-C2-acid)