Biotin-PEG4-NHS ester

Benzyl-PEG5-amine

Biotin-PEG4-acid

endo-BCN-PEG3-amine

Biotin-PEG6-NHS ester

PC-Biotin-PEG4-PEG3-azide

Biotin-PEG6-acid

Benzyl-PEG7-alcohol，Hexaethylene Glycol Monobenzyl Ether

Biotin-PEG36-PFP ester

Biotin-PEG2-amine，Biotin-PEG2-NH2，N-Biotinyl-3,6-Dioxaoctane-1,8-Diamine

N-(DBCO-PEG4)-N-Biotin-PEG4-acid

Biotin-PEG6-t-butyl ester，Biotin-PEG6-Boc

Desthiobiotin-PEG3-NHS ester

Biotin-PEG2-C4-alkyne

Biotin-PEG8-azide，生物素-PEG8-叠氮化物

Mal-Cyclohexyl-PEG3-Biotin

Benzyl-PEG2-amine

Biotin-PEG8-amine

Dde Biotin-PEG4-azide

Biotin-PEG4-Picolyl azide，生物素-PEG4-吡啶叠氮化物