DBCO-N-bis(PEG4-acid)

Tr-PEG4，Tr-PEG3-OH

N-(HydroxRuixiG3)-N-Boc-PEG4-t-butyl ester

N-(Fmoc-N-amido-PEG4)-N-Biotin-PEG4-t-Boc-Hydrazide

Biotin-PEG3-oxyamine HCl salt，Biotin-PEG3-oxyamine，Biotin-PEG3-oxyamine HCl

N-(Azido-PEG2)-N-bis(PEG4-t-butyl ester)

t-Boc-N-amido-PEG6-CH2CO2H，Boc-NH-PEG6-CH2COOH

Bis-PEG29-acid

Bromo-PEG2-t-butyl ester，Bromo-PEG2-C2-Boc

Pyrene-PEG4-acid，Pyrene-amido-PEG4-CH2CH2COOH

Biotin-PEG6-Mal，Biotin-PEG6-Maleimide

m-PEG24-DSPE

Fmoc-PEG24-NHS ester

Amino-PEG10-amine，NH2-PEG10-CH2CH2NH2

Bromo-PEG2-CH2CO2tBu，Bromo-PEG2-CH2-Boc

m-PEG6-NHS ester

Bromoacetamido-PEG2-Boc-amine，Bromoacetamido-C2-PEG2-NH-Boc

DNP-PEG4-DBCO

(Acid-PEG10)-Tri-(Azide-PEG10-ethoxymethyl)-methane

Fmoc-N-amido-PEG36-acid