Hexaethylene glycol

m-PEG25-acid

Hydroxy-PEG4-nitrile，Hydroxy-PEG4-C2-nitrile

m-PEG8-NHS ester

C11-PEG9-alcohol

HO-PPG1-PEG2-PPG1-OH，Propanol-PEG3-CH2OH

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

THP-PEG12

Iodoacetyl-LC-Biotin

Hydroxy-PEG2-methyl ester，Methyl 3-[2-(2-hydroxyethoxy)ethoxy]propanoate

Hydroxy-PEG3-methyl ester，Hydroxy-PEG3-C2-methyl ester

m-PEG16-NHS ester

m-PEG9-NHS ester

m-PEG24-NHS ester

PEG15，HO-PEG14-OH

PEG-14，HO-PEG13-OH

m-PEG1-NHS ester

m-PEG5-CH2COOH

PEG11，Decaethylene glycol， HO-PEG10-OH

m-PEG9-CH2COOH