m-PEG5-propargyl

Propargyl-PEG13-bromide

endo-BCN-PEG2-PFP ester

Propargyl-PEG4-Maleimide

Propargyl-PEG6-t-butyl ester，Propargyl-PEG6-Boc

Propargyl-PEG4-(CH2)3-methyl ester

Bis-propargyl-PEG8

Bis-propargyl-PEG14

Propargyl-PEG10-t-butyl ester，Propargyl-PEG10-Boc

Propargyl-PEG5-amine

endo-BCN-PEG3-acid

Propargyl-PEG2-t-butyl ester，Propargyl-PEG2-Boc

endo-BCN-PEG4-PFP ester

endo-BCN-PEG4-amine

endo-BCN-PEG8-acid

Propargyl-PEG3-bromide

Bis-propargyl-PEG12

m-PEG17-propargyl

endo-BCN-PEG4-acid

Bis-propargyl-PEG4