Fmoc-PEG6-NHS ester

m-PEG4-acid，m-PEG3-CH2CH2COOH

Hydroxy-PEG8-t-butyl ester，Hydroxy-PEG8-Boc

PEG18，HO-PEG17-OH

THP-PEG4，THP-PEG3-OH

m-PEG5-acid，4,7,10,13,16-五氧杂十七烷酸

Hydrox-PEG9-Tos，PEG9-Tos

Hexaethylene glycol

Hydroxy-PEG3-acrylate

m-PEG9-NHS ester

1,1,1-Trifluoroethyl-PEG5-alcohol

m-PEG6-CH2COOH

PEG11，Decaethylene glycol， HO-PEG10-OH

m-PEG3-4-nitrophenyl carbonate

m-PEG7-NHS ester

Hydrox-PEG8-Tos，Tos-PEG7-OH ，PEG8-Tos

THP-PEG6，THP-PEG5-OH

m-PEG9-Ms

PEG13，Dodecaethylene glycol ，HO-PEG12-OH

m-PEG36-azide