m-PEG5-propargyl

Propargyl-PEG3-NHS ester

Alkyne-ethyl-PEG1-t-Butyl ester，Alkyne-ethyl-PEG1-Boc

endo-BCN-PEG3-acid

Propargyl-PEG7-acid

endo-BCN-PEG12-NHS ester

Bis-propargyl-PEG8

bis-PEG23-endo-BCN

t-Boc-aminooxy-PEG5-propargyl

Propargyl-PEG6-amine

DBCO-PEG1-acid，DBCO-PEG1-COOH

endo-BCN-PEG4-NHS ester

Propargyl-PEG2-acrylate

Propargyl-PEG8-NHS ester

Propargyl-PEG13-t-butyl ester

Propargyl-PEG6-alcohol

Gly-PEG3-endo-BCN, TFA salt

APN-C3-PEG4-alkyne

Propargyl-PEG4-amine

endo-BCN-PEG4-acid