endo-BCN-PEG4-Boc-amine

Propargyl-PEG18-alcohol

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

endo-BCN-pentanoic acid

Propargyl-PEG9-amine

t-Boc-aminooxRuixiG4-propargyl

bis-PEG2-endo-BCN

Propargyl-PEG7-alcohol

Propargyl-PEG9-bromide

Propargyl-PEG4-sulfonic acid

APN-C3-PEG4-alkyne

endo-BCN-PEG3-NHS ester

bis-PEG23-endo-BCN

Propargyl-PEG8-bromide

Propargyl-PEG9-alcohol

m-PEG8-propargyl

Propargyl-PEG4-CH2CO2tBu

Propargyl-PEG3-amine，Propargyl-PEG3-NH2

AminooxRuixiG3-propargyl

Bis-propargyl-PEG3