m-PEG5-t-buyl ester，m-PEG5-Boc

BCN-PEG3-Val-Cit

m-PEG4-(CH2)3-acid，三甘醇单甲醚丁酸

N-Fmoc-N'-(azido-PEG4)-L-Lysine- PFP ester

Iodoacetamide-PEG3-azide

PEG17，HO-PEG16-OH

m-PEG8-DSPE

N-Boc-Azido-tris(ethylenoxy)-L-alanin，Azido-PEG3-Ala-Boc

m-PEG17-NHS ester

m-PEG3-NHS ester

PC Alkyne-PEG4-NHS carbonate ester

Fmoc-PEG12-NHS ester

Azido-PEG3-Val-Cit-PAB-OH

m-PEG3-Ms

m-PEG5-CH2COOH

Azido-PEG8-hydrazide HCl Salt，Azido-PEG8-hydrazide

m-PEG37-hydrazide

PC Azido-PEG11-NHS carbonate ester

m-PEG11-NHS ester

Azido-PEG4-(CH2)3-methyl ester