N-(Azido-PEG10)-N-PEG10-t-butyl ester

Chloroacetamido-PEG4-t-Butyl Ester，Chloroacetamido-PEG4-C2-Boc

PC Azido-PEG3-NHS carbonate ester

Amino-PEG24-acid

Hydrox-PEG3-Tos，Tos-PEG3

N-(m-PEG4)-N'-(PEG2-acid)-Cy5

Fmoc-N-amido-PEG4-acid，Fmoc-NH-PEG4-CH2CH2COOH

m-PEG5-Ms

S-Acetyl-PEG3-azide

Biotin-PEG7-azide，生物素-PEG7-叠氮化物

N-(Azido-PEG3)-N-Boc-PEG3-acid

Azido-PEG23 amine

Biotin-PEG4-C1-alkyne

Biotin-PEG11-azide，生物素-PEG11-叠氮化物

Bis-PEG11-acid

Hydrox-PEG7-Tos，Tos-PEG6-OH ，PEG7-Tos

Bromo-PEG5-t-butyl ester，Bromo-PEG5-Boc

Mal-amido-PEG2-Val-Cit-PAB-OH

m-PEG7-Tos

Bis-PEG3-NHS ester