Gly-Gly-Gly-PEG4-DBCO

endo-BCN-PEG4-PFP ester

Bis-PEG3-NHS ester

endo-BCN-PEG4-amine

17-(Amino-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester

Biotin-PEG23-amine

Biotin-PEG6-t-butyl ester，Biotin-PEG6-Boc

t-Boc-N-amido-PEG20-acid，Boc-NH-PEG20-CH2CH2COOH

Amino-PEG2-(CH2)3CO2H，4-[2-(2-Aminoethoxy)ethoxy]butanoic acid

Amino-PEG6-acid，NH2-PEG6-CH2CH2COOH，H2N-PEG6-COOH

t-Boc-Aminooxy-PEG3-acid，Boc-Aminooxy-PEG3-acid

Bis-PEG14-acid

Propargyl-PEG4-bromide

PC DBCO-PEG3-biotin

FITC-PEG-N3，Fluorescein-PEG-Azide，MW：5000

t-Boc-Aminooxy-PEG2-amine，Boc-Aminooxy-PEG2-C2-amine

Amino-PEG4-t-Boc-hydrazide，Amino-PEG4-hydrazide-Boc

DBCO-C3-PEG4-NH-Boc

t-Boc-Aminooxy-PEG5-amine，Boc-Aminooxy-PEG5-amine

Sulfo DBCO-PEG3-NHS ester