m-PEG16-azide

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

Fmoc-NH-PEG11-CH2COOH

t-Boc-N-Amido-PEG12-propargyl，Boc-NH-PEG12-propargyl

Biotin-PEG3-azide，生物素-PEG3-叠氮化物

Tr-PEG6，Tr-PEG5-OH

Biotin-PEG11-oxyamine HCl salt

m-PEG6-azide

Biotin-PEG4-Hydrazide，生物素-PEG4-酰肼

17-(Bromoacetamido-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester

Benzyl-PEG5-azide

N-(hydroxRuixiG2)-N'-(azide-PEG3)-Cy5，N-PEG3-N'-(azide-PEG3)-Cy5

m-PEG5-azide

1,1,1-Trifluoroethyl-PEG4-aminooxy

N-(m-PEG4)-N'-(m-PEG4)-O-(m-PEG4)-O'-(azide-PEG4)-Cy5

Amino-PEG4-benzyl ester

NH-bis(PEG1-azide)，NH-bis(C2-PEG1-azide)

(4-methoxyphenyl)diphenylmethylamino-PEG7，Methoxy-Tr-NH-PEG7

Fluorescein-PEG5-NHS ester

Amino-PEG23-acid HCl salt