3-(m-PEG8-ethoxycarbonyl)propanoic acid，m-PEG8-ethoxycarbonyl-propanoic acid

HydroxRuixiG3-CH2CO2tBu，HydroxRuixiG3-CH2-Boc

m-PEG7-acid，m-PEG6-CH2CH2COOH

Diketone-PEG12-Biotin

Trifluoroacetamidoethyl-SS-propionic NHS ester

HydroxRuixiG4-CH2CO2tBu，HydroxRuixiG4-CH2-Boc

Fmoc-NH-PEG5-CH2COOH

PEG16，HO-PEG15-OH

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

m-PEG7-alcohol，O-Methyl-heptaethylene glycol

m-PEG4-(CH2)3-methyl ester，m-PEG4-CH2-methyl ester

Fmoc-PEG6-alcohol，Fmoc-NH-PEG6-alcohol

m-PEG5-2-methylacrylate

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

Fmoc-NH-PEG4-CH2COOH

m-PEG2-azide，1-(2-Azidoethoxy)-2-methoxyethane

m-PEG4-Tos

Fmoc-NH-PEG6-CH2COOH

AZD-PEG2-PFP

N-methyl-N'-(Azido-PEG2-C5)-Cy5