5-FITC-PEG6-NHS ester，Fluorescein-PEG6-NHS

N-(m-PEG4)-N'-(PEG2-acid)-Cy5

Propargyl-PEG8-NHS ester

Propyne-PEG-amine

Propyne-PEG4-thiol

DOTA-PEG5-azide

Propyne-PEG12-thiol

N-(m-PEG4)-N'-hydroxypropyl-Cy5

N-(m-PEG4)-N'-(acid-PEG3)-Benzothiazole Cy5

N,N'-bis-(azide-PEG3)-chlorocyclohexenyl Cy7

Propargyl-PEG2-beta-D-glucose

Propargyl-PEG8-alcohol

N-(m-PEG4)-N'-(PEG4-NHS ester)-Cy5

5-FITC-PEG4-NHS ester，Fluorescein-PEG4-NHS

N-(m-PEG4)-N'-(azide-PEG4)-Cy7

Propyne-PEG-propionic acid

DNP-PEG3-[1,2,3]triazole-PEG5-amido-Mal

N-(azide-PEG4)-3,3-Dimethyl-3H-indole-N'-(m-PEG3)-Benzothiazole Cy5

Propargyl-PEG3-triethoxysilane

Bis-(N,N'-carboxyl-PEG4)-Cy5