Tr-PEG6，Tr-PEG5-OH

m-PEG2-NHS ester

m-PEG8-DSPE

Fmoc-PEG5-NHS ester

m-PEG6-Tos

m-PEG5-CH2COOH

PEG12，HO-PEG11-OH

m-PEG9-alcohol，Nonaethylene glycol monomethyl ether

TBDMS-PEG5，TBDMS-PEG4-OH

m-PEG9-Tos

m-PEG8-aldehyde，m-PEG7-CH2CH2CHO

m-PEG5-nitrile

m-PEG3-aldehyde

Triethylene glycol

m-PEG13-NHS ester

Hydrox-PEG13-Tos，PEG13-Tos

Hydroxy-PEG4-CH2CO2tBu，Hydroxy-PEG4-CH2-Boc

m-PEG8-NHS ester

m-PEG12-t-butyl ester，m-PEG12-Boc

Hydroxy-PEG6-CH2CO2tBu，Hydroxy-PEG6-CH2-Boc