Fluorescein-PEG6-Acid，Fluorescein-thiourea-PEG6-acid

N-(AminooxRuixiG3)-N-bis(PEG4-t-butyl ester)， N-(AminooxRuixiG3)-N-bis(PEG4-Boc)

Fmoc-N-amido-PEG3-acid，Fmoc-NH-PEG3-CH2CH2COOH

t-Boc-N-amido-PEG10-acid，Boc-NH-PEG10-CH2CH2COOH

N-(azide-PEG3)-N'-(PEG4-NHS ester)-Cy5

Amino-PEG20-t-butyl ester

D-Biotin-PEG6-Thalidomide，Biotin-PEG6-Thalidomide

m-PEG8-azide

Fmoc-NH-PEG2-CH2COOH，Fmoc-8-amino-3,6-dioxaoctanoic acid

N-Benzyl-N-bis(PEG3-acid)

m-PEG11-CH2CO2H

Fmoc-PEG4-NHS ester

N-methyl-N'-(azide-PEG3)-Cy3

Cy5-PEG3-azide

ICG-PEG4-Sulfo-Osu

Dde Biotin-PEG4-Picolyl azide

t-Boc-N-Amido-PEG4-propargyl，Boc-N-Amido-PEG4-propargyl

Hydrox-PEG4-Tos，PEG4-Tos

N-(NHS-PEG3)-N-bis(PEG3-azide)

NH-bis(PEG1-OH)，NH-bis-PEG2