S-Acetyl-PEG3-azide

Amino-PEG4-alcohol，2-{2-[2-(2-Aminoethoxy)ethoxy]ethoxy}ethanol

Amino-PEG2-t-butyl ester，NH2-PEG2-C2-Boc

Amino-PEG3-CH2CO2-t-butyl ester

m-PEG12-amine，m-dPEG(R)12-amine，MPEG12-NH2

N-Fmoc-N'-(azido-PEG4)-L-Lysine- PFP ester

DMTr-PEG12-Azide

N-(Azido-PEG4)-L-Lyisine

Tri(Amino-PEG3-amide)-amine TFA salt

Amino-PEG2-(CH2)3CO2H，4-[2-(2-Aminoethoxy)ethoxy]butanoic acid

Amino-PEG9-amine，3,6,9,12,15,18,21,24,27-Nonaoxanonacosane-1,29-diamine

N-(Amino-PEG5)-N-bis(PEG4-acid)

N-Fmoc-Azido-tris(ethylenoxy)-L-alanine，Azide-PEG3-L-alanine-Fmoc

Azido-PEG5-triethoxysilane

N-(Amino-PEG3)-N-bis(PEG3-t-butyl)，N-(Amino-PEG3)-N-bis(PEG3-Boc)

9-(Amino-PEG9-ethylcarbamoyl)nonanoic t-butyl ester

Azido-PEG1-amine，N3-PEG2-NH2，N3-PEG1-CH2CH2NH2

Amino-PEG1-t-butyl ester，NH2-PEG1-CH2CH2-Boc

PTDA-PEG4-Azide

t-Boc-N-amido-PEG23-amine