17-(Amino-PEG6-ethylcarbamoyl)heptadecanoic acid，Amino-PEG6-amido-C16-COOH

9-(Amino-PEG9-ethylcarbamoyl)nonanoic t-butyl ester

N-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt

PEG8-bis(C3-amine)

Fmoc-aminooxRuixiG4-acid

m-PEG4-amine，3,6,9,12-Tetraoxatridecan-1-amine

Amino-PEG5-CH2CO2H，NH2-PEG5-CH2COOH

t-Boc-AminooxRuixiG10-acid

S-acetyl-PEG2-t-butyl ester，S-acetyl-PEG2-Boc

S-Acetyl-ethylene-amide-PEG11-NH-Boc

Alkyne maleimide，Mal-Alkyne

Bromo-PEG2-acid，3-[2-(2-Bromoethoxy)ethoxy]propanoic acid

DBCO-SS-COOH，DBCO-SS-acid

tBOC-NH-PEG-SVA，MW:20000

DBCO-PEG3-amine，DBCO-PEG3-NH2

DBCO-Disulfo-Cyanine3，Cy3-Disulfo-DBCO

Desthiobiotin-PEG4-Alkyne

DBCO-TCO，TCO-DBCO

(4E)-TCO-PEG4-NH-CH2CH2-4-Phenol

(2-pyridyldithio)-PEG4-alcohol