t-Boc-N-amido-PEG5-acid，Boc-NH-PEG5-CH2CH2COOH

17-(Bromoacetamido-PEG9-ethylcarbamoyl)nonanoic t-butyl ester

t-Boc-N-amido-PEG4-CH2CO2H，Boc-NH-PEG4-CH2COOH

t-Boc-N-amido-PEG24-acid，Boc-NH-PEG24-CH2CH2COOH

HydroxRuixiG3-sulfonic acid，PEG4-sulfonic acid

Propargyl-PEG1-Acetic acid-NHS ester

t-boc-N-amido-PEG9-azide，Boc-NH-PEG9-azide

m-PEG7-aldehyde，m-PEG6-CH2CH2CHO

Mal-PEG12-t-butyl ester，Mal-PEG12-Boc

N-(m-PEG9)-N'-(PEG5-acid)-Cy5

Bis-Mal-Lysine-PEG4-acid

Carboxyrhodamine 110-PEG4-alkyne

N-(Boc-PEG3)-N-bis(PEG2-alcohol)

N-(Mal-PEG6)-N-bis(PEG3-Boc)

t-boc-N-amido-PEG5-azide，Boc-NH-PEG5-azide

Fmoc-NMe-PEG2-acid，Fmoc-N-methyl-PEG3-CH2CH2COOH

Bromoacetamido-PEG8-acid，1-Bromo-2-oxo-6,9,12,15,18,21,24,27-octaoxa-3-azatriacontan-30-oic acid

Hydrox-PEG8-Tos，Tos-PEG7-OH ，PEG8-Tos

N-(Azido-PEG3)-N-bis(PEG3-t-butyl ester)

Hydrox-PEG6-Tos，PEG6-Tos