N-(m-PEG4)-N'-(PEG2-NHS ester)-Cy5

Amino-PEG4-amine，Amino-PEG4-C2-amine，1,14-diamino-3,6,9,12-tetraoxatetradecane

Mal-amido-PEG2-Val-Cit-PAB-PNP

Bis-PEG11-NHS ester

m-PEG5-nitrile

Amino-PEG23-amine

Azido-PEG3-Val-Cit-PAB-OH

N-Boc-PEG16-alcohol

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

m-PEG15-alcohol，m-PEG15-OH

t-Boc-N-amido-PEG10-amine，Boc-NH-PEG10-NH2，BocNH-PEG10-CH2CH2NH2

Bromoacetamido-PEG3-azide

DNP-PEG12-acid

Azido-PEG11-amine，Azido-dPEG(R)11-amine

Bromo-PEG1-acid，3-(2-Bromoethoxy)propanoic acid

m-PEG8-thiol，巯基八甘醇单甲醚

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

Amino-PEG4-alcohol，2-{2-[2-(2-Aminoethoxy)ethoxy]ethoxy}ethanol

m-PEG9-t-butyl ester，m-PEG9-Boc

Biotin-PEG6-amine