Fmoc-PEG24-NHS ester

m-PEG5-alcohol，Pentaethylene glycol monomethyl ether

Hydroxy-PEG5-t-butyl ester，Hydroxy-PEG5-Boc

m-PEG3-Tos

m-PEG1-NHS ester

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

Fmoc-N-amido-PEG6-acid，Fmoc-NH-PEG6-CH2CH2COOH

3-(m-PEG8-ethoxycarbonyl)propanoic-NHS ester

Fmoc-N-amido-PEG16-acid，Fmoc-NH-PEG16-CH2CH2COOH

m-PEG25-acid

Hydroxy-PEG8-acid sodium salt

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

m-PEG11-NHS ester

Fmoc-N-amido-PEG2-acid，Fmoc-NH-PEG2-CH2CH2COOH

3-(Azido-PEG5-amino)propanol

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

m-PEG8-t-butyl ester，m-PEG8-Boc

Fmoc-NH-PEG8-CH2COOH

Hydroxy-PEG1-CH2CO2tBu，Hydroxy-PEG1-CH2-Boc

Fmoc-PEG5-alcohol