Biotin-PEG4-Amide

Bis-PEG6-acid，4,7,10,13,16,19-Hexaoxadocosane-1,22-dioic acid

Boc-NH-PEG2-NH-Boc

Biotin-PEG2-NH-Boc

N-Boc-PEG3-bromide

Benzyl-PEG2-amine

Benzyl-PEG5-azide

Benzyl-PEG7-alcohol，Hexaethylene Glycol Monobenzyl Ether

2-(Biotin-amido)-1,3-bis(carboxylethoxy)propane，2-(Biotin-amido)-1,3-bis-(C1-PEG1-acid)

Bis-PEG2-acid，3,6-dioxaoctanedioic acid，3,3'-[ethane-1,2-diylbis(oxy)]dipropanoic acid

Bis-PEG29-acid

N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester

Bis-PEG1-NHS ester

Bis-PEG13-acid

PC-Biotin-PEG4-NHS carbonate

N-Boc-PEG8-alcohol，八聚乙二醇-叔丁氧羰基

Amino-PEG6-t-butyl ester，NH2-PEG6-Boc

t-Boc-N-Amido-PEG2-propargyl，Propargyl-PEG2-NHBoc

Biotin-PEG3-hydrazide，生物素-PEG3-酰肼

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