PEG2-(CH2CO2H)2，3,6-Dioxaoctanedioic acid，3,6-二氧杂辛二酸

Biotin-PEG7-azide，生物素-PEG7-叠氮化物

Benzyl-PEG2-CH2CO2H，BnO-PEG1-CH2COOH

BCN-PEG3-Val-Cit

Bis-propargyl-PEG14

Bis-PEG13-NHS ester

Cy5-PEG3-azide

NH-bis(m-PEG4)，N,N-bis(tetraoxyethylenemonomethyl ether)amine

Tri(carboxyethyloxyethyl)amine HCl salt，Tri-(PEG1-C2-acid)

Bis-PEG8-NHS ester

Biotin-EDA-PEG4-PFP

AZD-PEG5-PFP

Amino-PEG2-CH2CO2H，H2N-PEG2-CH2COOH

Bis-propargyl-PEG3

Amino-PEG36-CONH-PEG36-acid

m-PEG4-propargyl

Methyltetrazine-PEG12-DBCO

Aminooxy-PEG8-methane HCl salt，Aminooxy-PEG8-methane

bis-PEG23-endo-BCN

Dde Biotin-PEG4-alkyne