NH-bis(PEG3-azide)

N-(Azido-PEG3)-PEG4-t-butyl ester

m-PEG6-bromide，m-PEG6-Br

Bromoacetamido-PEG4-acid，1-Bromo-2-oxo-6,9,12,15-tetraoxa-3-azaoctadecan-18-oic acid

t-Boc-N-amido-PEG4-acid，Boc-NH-PEG4-CH2CH2COOH

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

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:2000

t-boc-N-amido-PEG6-azide，Boc-NH-PEG6-azide

t-boc-N-amido-PEG11-azide

Lipoic acid-PEG-NHS，LA-PEG-NHS，MW:1000

Bromo-PEG3-azide，溴代-PEG3-叠氮

Bromoacetamido-PEG8-t-butyl ester，Bromoacetamido-PEG8-Boc

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

N-(Azido-PEG2)-N-Boc-PEG4-acid

Bromoacetamido-PEG3-azide

Azidobutanamide-tri-(carboxyethoxymethyl)-methane

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

Azido-PEG4-Amido-tri-(carboxyethoxymethyl)-methane

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

N-Boc-PEG5-alcohol，五聚乙二醇-叔丁氧羰基