PEG11，Decaethylene glycol， HO-PEG10-OH

N-(m-PEG4)-N'-(Biotin-PEG2-Amido-PEG4)-Cy5

m-PEG8-alcohol，Octaethylene glycol monomethyl ether

Acid-PEG4-S-S-PEG4-acid

Tetraethylene glycol

Fluorescein-PEG2-azide，Fluorescein-thiourea-PEG2-azide

Diketone-PEG12-DBCO

THP-SS-alcohol

N-(hydroxRuixiG2)-N'-(propargyl-PEG4)-Cy5

Carboxyfluorescein-PEG12-NHS

Azidoethyl-PEG2-t-Butyl ester，Azidoethyl-SS-PEG2-Boc

PC Mal-NHS carbonate ester

Pyrene-PEG5-alcohol

4-Azide-TFP-Amide-SS-propionic acid

m-PEG12-NHS ester

m-PEG5-azide

m-PEG12-DSPE

FITC-Biotin，Fluorescein Biotin

m-PEG8-BBTA

m-PEG3-t-butyl ester，m-PEG3-Boc