Biotin-PEG7-amine

N-(azide-PEG3)-N'-(PEG4-NHS ester)-Cy5

Sulfo DBCO-PEG3-acid

Bromo-PEG1-CH2CO2tBu，Bromo-PEG1-CH2-Boc

t-Boc-N-amido-PEG6-CH2CO2H，Boc-NH-PEG6-CH2COOH

N-(acid-PEG3)-N-bis(PEG3-amine)

CBZ-aminooxy-PEG8-t-butyl ester

DBCO-PEG8-Mal

t-Boc-Aminooxy-PEG12-acid

2-(Azido-PEG3-amido)-1,3-bis(t-butyl ester)

Amino-PEG3-acid，Amino-PEG3-C2-acid，H2N-PEG3-COOH

Biotin-PEG36-acid

DBCO-PEG4-Maleimide，Mal-PEG4-DBCO

TCO-PEG4-Val-Cit-PAB-PNP

Benzyl-PEG4-alcohol，2-[2-(2-phenylmethoxyethoxy)ethoxy]ethanol

BCN-PEG3-VC-PFP Ester

Bis-(Norbornene-PEG23)-disulfides

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

Propargyl-PEG5-NHS ester

Biotin-PEG4-methyltetrazine，生物素-PEG4-甲基四嗪