endo-BCN-PEG4-NHS ester

Propargyl-PEG10-alcohol

Propargyl-PEG4-thiol

Propargyl-PEG8-t-butyl ester，Propargyl-PEG8-Boc

Bis-propargyl-PEG2

t-Boc-aminooxRuixiG5-propargyl

Propargyl-PEG7-t-butyl ester，Propargyl-PEG7-Boc

Propargyl-PEG4-5-nitrophenyl carbonate

endo-BCN-PEG2-acid

Bis-propargyl-PEG5

Propargyl-PEG12-amine

Propargyl-PEG1-t-butyl ester，Propargyl-PEG1-Boc

Bis-propargyl-PEG6

t-Boc-aminooxRuixiG1-propargyl

Bis-propargyl-PEG10

N-Me-N-bis(PEG2-propargyl)

Propargyl-PEG8-alcohol

Bis-propargyl-PEG18

Propargyl-PEG2-amine，Propargyl-PEG2-NH2

Propargyl-PEG3-Ms