Propargyl-PEG13-bromide

Amino-Tri-(m-PEG4-ethoxymethyl)-methane

t-Boc-aminooxRuixiG1-propargyl

Propargyl-PEG7-NHS ester

Bis-propargyl-PEG12

Propargyl-PEG4-acid，Propargyl-PEG4-COOH

DBCO-PEG5-NHS ester

Propargyl-PEG6-amine

Propargyl-PEG4-NHS ester

endo-BCN-PEG4-Boc-amine

Propargyl-PEG6-NHS ester

Propargyl-PEG4-5-nitrophenyl carbonate

endo-BCN-PEG2-acid

DBCO-PEG24-amine TFA salt

DBCO-PEG23-amine TFA salt

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

1,4,7,10-Tetraazacyclododecane-1,4,7-triacetic acid（ACI）

Bis-propargyl-PEG2

endo-BCN-PEG3-acid

endo-BCN-PEG2-PFP ester