azido-tris(ethylenoxy)-L-alanine TFA Salt，Azide-PEG3-C1-Ala

Fmoc-PEG4-alcohol，Fmoc-NH-PEG4-alcohol

Propane-1,2,3-(PEG11-DBCO)

Amino-PEG8-t-Boc-hydrazide

BCN-PEG3-Val-Cit

AZD-PEG2-Azide

m-PEG12-alcohol，m-PEG12-OH

TAMRA-PEG4-Alkyne

NH-bis(PEG3-OH)，NH-bis-PEG4

m-PEG24-alcohol

Pyrene-PEG5-biotin

N-Boc-PEG3-bromide

Amino-PEG10-t-butyl ester，Amino-PEG10-Boc

m-PEG25-acid

Trityl-PEG10-azide

Bis-PEG29-acid

NH-bis(PEG3-acid) HCl salt，NH-bis(PEG3-acid)

Fmoc-Lys (biotin-PEG12)-OH

m-PEG5-nitrile

m-PEG13-NHS ester