Azido-PEG36-acid

Ald-Ph-PEG4-t-butyl ester，Ald-Ph-PEG4-Boc

Carboxy-PEG2-sulfonic acid

Cbz-N-amido-PEG20-acid

Acid-PEG5-mono-methyl ester

Mal-PEG5-trimethylammonium chloride

Propargyl-PEG4-bromide

Propargyl-PEG4-CH2CO2tBu

Bis-propargyl-PEG2

Propargyl-PEG4-thiol

Propargyl-PEG13-acid

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

Propargyl-PEG4-NHS ester

Propargyl-PEG10-acid

Bis-propargyl-PEG9

Bis-propargyl-PEG14

Propargyl-PEG3-amine，Propargyl-PEG3-NH2

Propargyl-PEG8-alcohol

Propargyl-PEG14-alcohol

Propargyl-PEG2-amine，Propargyl-PEG2-NH2