Hydroxy-PEG6-t-butyl ester，Hydroxy-PEG6-Boc

Hydroxy-PEG4-CH2CO2H sodium salt，Hydroxy-PEG4-CH2COOH

m-PEG3-alcohol，m-PEG3-OH

m-PEG8-alcohol，Octaethylene glycol monomethyl ether

Hydroxy-PEG1-t-butyl ester，Hydroxy-PEG1-(CH2)2-Boc

Fmoc-N-amido-PEG7-acid

Fmoc-PEG4-NHS ester

Fmoc-PEG2-alcohol

Hydrox-PEG13-Tos，PEG13-Tos

Hydroxy-PEG2-CH2CO2H sodium salt，Hydroxy-PEG2-CH2COONa

Hydrox-PEG8-Tos，Tos-PEG7-OH ，PEG8-Tos

Fmoc-N-amido-PEG3-acid，Fmoc-NH-PEG3-CH2CH2COOH

Fmoc-PEG5-NHS ester

Hydroxy-PEG16-t-butyl ester，Hydroxy-PEG16-Boc

m-PEG3-(CH2)3-alcohol，m-PEG3-CH2-alcohol

Hydroxy-PEG10-t-butyl ester，Hydroxy-PEG10-Boc

PEG5-Tos，Tetraethylene glycol monotosylate

Fmoc-NMe-PEG4-NHS ester

Fmoc-PEG8-NHS ester，Fmoc-NH-PEG8-NHS ester

Hydroxy-PEG10-acid sodium salt