Amino-PEG2-t-butyl ester，NH2-PEG2-C2-Boc

Benzyl-PEG3-alcohol，Diethylene Glycol Monobenzyl Ether

Amino-PEG36-CONH-PEG36-acid

N-Boc-PEG1-bromide，t-boc-N-amido-PEG2-bromide

N-Desthiobiotin-N-bis(PEG4-t-butyl ester)

Bis-PEG11-NHS ester

Biotin-PEG36-PFP ester

Biotin-PEG2-iodide，Biotin-PEG2-C2-iodoacetamide

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

Biotin-PEG5-NH-Boc

Benzyl-PEG2-CH2CO2H，BnO-PEG1-CH2COOH

Biotin-PEG8-amine

Bis-PEG1-acid，3,3'-oxydipropanoic acid，3-(2-carboxyethyloxy)propanoic acid

Bis-PEG7-acid，HOOCCH2CH2-PEG7-CH2CH2COOH

Biotin-PEG3-oxyamine HCl salt，Biotin-PEG3-oxyamine，Biotin-PEG3-oxyamine HCl

Biotin-PEG4-acid

TAMRA-Azide-PEG-Biotin

Biotin-PEG11-azide，生物素-PEG11-叠氮化物

PC-Biotin-PEG4-PEG3-azide

Dde Biotin-PEG4-Picolyl azide