Tr-PEG3，Tr-PEG2-OH

N-(m-PEG4)-N'-(azide-PEG3)-Cy5

Bromo-PEG1-azide，Bromo-PEG1-C2-azide

Amino-PEG5-acid，Amino-PEG5-C2-acid

m-PEG10-NHS ester

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic acid

Biotin-PEG8-NHS ester

Hydrox-PEG21-Tos，PEG21-Tos

Fmoc-PEG12-NHS ester

Fmoc-PEG1-NHS ester，Fmoc-PEG1-CH2CH2-NHS ester

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

Fmoc-PEG2-NHS ester，Fmoc-PEG2-C2-NHS ester

N-(acid-PEG3)-N-bis(PEG3-amine)

17-(Amino-PEG6-ethylcarbamoyl)heptadecanoic acid，Amino-PEG6-amido-C16-COOH

THP-PEG4，THP-PEG3-OH

N-(Boc-PEG3)-N-bis(PEG3-acid)

m-PEG3-aldehyde

17-(Amino-PEG9-ethylcarbamoyl)heptadecanoic t-butyl ester

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

THP-PEG12