Azido-PEG1-CH2CO2H，(2-Azidoethoxy)acetic acid

Azido-PEG4-acid，Azido-PEG4-C2-acid

Mal-amido-PEG12-acid

DSP Crosslinker，3,3'-dithiodipropionic acid di(n-succinimidyl ester)

Boc-DODA

Methylamino-PEG5-azide

Azido-PEG4-CH2CO2H

Azido-PEG3-CH2CO2-NHS

Acid-PEG5-mono-methyl ester

Mal-PEG6-t-butyl ester，Mal-PEG6-Boc

N-(4-pentynoyl)-galactosamine tetraacylated (Ac4 GalNAl)

Ald-Ph-PEG4-acid，Ald-Ph-amido-PEG4-C2-acid

3-Maleimido-propionic NHS ester，BMPS ，N-Succinimidyl 3-maleimidopropionate

Mal-PEG4-amine TFA salt

6-Bromohexylphosphonic acid

11-Azidoundecanoic acid，ω-azido undecanoic acid

Suberic acid，Octanedioic acid

Mal-PEG2-PFP

Azido-PEG2-CH2CO2H

Mal-amido-PEG8-TFP ester