Mal-PEG4-amine TFA salt

Mal-PEG1-PNP-carbonate

Fmoc-N-amido-PEG11-CH2-aldehyde

Ald-Ph-PEG4-PFP，ALD-PEG4-OPFP

Mal-PEG4-alcohol，Mal-PEG4-OH

2-((Azido-PEG8-carbamoyl)methoxy)acetic acid

Ald-Ph-PEG4-NHS ester，Ald-Ph-amido-PEG4-C2-NHS ester

Ald-Ph-PEG2-NH-Boc

Ald-Ph-PEG3-NH-Boc，Ald-Ph-amido-C2-PEG3-NH-Boc

Mal-amido-PEG36-TFP ester

Ald-CH2-PEG5-azide

Bis-Mal-PEG19

Mal-amido-PEG24-acid

Mal-amido-PEG12-acid

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

Ald-Ph-PEG6-acid

Azido-PEG3-acid，N3-PEG3-CH2CH2COOH

Acid-PEG1-t-butyl ester，Acid-PEG1-C2-Boc

Ald-Ph-PEG24-NHS ester

Mal-PEG8-t-butyl ester，Mal-PEG8-Boc