Acid-PEG5-mono-methyl ester

Azido-PEG9-acid

Mal-PEG5-PFP

Azido-Amido-PEG8-t-butyl ester

Ald-CH2-PEG5-azide

Acid-PEG4-t-butyl ester，Acid-PEG4-C2-Boc

Mal-amido-PEG6-acid

Azido-PEG8-t-butyl ester，Azido-PEG8-Boc

Azido-PEG1-acid，Azido-PEG1-C2-acid

Mal-amido-PEG24-NHS

13-(Azide-PEG9-ethylcarbamoyl)tridecanoic t-butyl ester

Ald-CH2-PEG8-azide

Dimethylanaline-PEG4-acid

Azido-PEG4-acid，Azido-PEG4-C2-acid

Ald-Ph-PEG12-TFP ester

Azido-PEG12-acid

Ald-CH2-PEG4-t-butyl ester，Ald-CH2-PEG4-Boc

Mal-PEG1-PFP

Ald-Ph-PEG24-TFP ester

Azido-PEG6-NHS ester