t-Boc-Aminooxy-PEG3-alcohol，2-Methyl-2-propanyl {2-[2-(2-hydroxyethoxy)ethoxy]ethoxy}carbamate

endo-BCN-PEG2-amine

2-(Biotin-amido)-1,3-bis(carboxylethoxy)propane，2-(Biotin-amido)-1,3-bis-(C1-PEG1-acid)

N-methyl-N'-methyl-O-(m-PEG4)-O'-(azide-PEG4)-Cy5

Propargyl-PEG5-amine

N-(Azido-PEG3)-N-(PEG2-NH-Boc)-PEG3-acid

Benzyl-PEG2-azide

t-Boc-Aminooxy-PEG4-CH2CO2-t-Bu

t-Boc-Aminooxy-PEG3-acid，Boc-Aminooxy-PEG3-acid

Bromoacetamido-PEG3-TCO

Amino-PEG10-alcohol，Amino-PEG10-OH， 29-Amino-3,6,9,12,15,18,21,24,27-nonaoxanonacosan-1-ol

Bis-PEG13-acid

Mal-PEG4-Val-Cit-PAB-PNP

Carboxyfluorescein-PEG12-NHS

Bis-PEG25-NHS ester

N-Boc-PEG9-alcohol，九聚乙二醇-叔丁氧羰基

N-(Amino-PEG4)-N-bis(PEG4-t-butyl ester)，N-(Amino-PEG4)-N-bis(PEG4-Boc)

DBCO-S-S-PEG3-biotin，Biotin-PEG3-SS-DBCO

Azido-PEG7-amine，NH2-PEG7-N3

Bromoacetamido-PEG4-t-butyl ester，Bromoacetamido-PEG4-C2-Boc