17-(Bromoacetamido-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester

N-(Azido-PEG2)-N-bis(PEG4-t-butyl ester)

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

Bromoacetamido-PEG3-TCO

N-(Azido-PEG4)-N-bis(PEG4-NHS ester)

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

Bromo-PEG8-acid

N-(Azido-PEG3)-N-(PEG3-NH-Boc)-PEG3-t-butyl ester

N-(Azido-PEG3)-N-bis(PEG4-acid)

N-(Azido-PEG2)-N-bis(PEG4-Acid)

Bromo-PEG3-t-butyl ester，Br-PEG3-C2-Boc

m-PEG12-bromide，m-PEG12-Br

N-(Azido-PEG2)-N-Boc-PEG4-NHS ester

Bis(2-bromoethyl) ether，2-Bromoethyl ether

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic acid

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

N-(Azido-PEG3)-N-(BocNH-PEG2)

NH-bis(PEG1-azide)，NH-bis(C2-PEG1-azide)

Bromo-PEG1-azide，Bromo-PEG1-C2-azide

Bromoacetamido-PEG3-acid，Bromoacetamido-PEG3-C2-acid