N-(m-PEG4)-N'-(PEG2-acid)-Cy5

Hydrox-PEG7-Tos，Tos-PEG6-OH ，PEG7-Tos

m-PEG13-acid，Methyl propionate-PEG12

THP-PEG12

N-(azide-PEG3)-N'-(PEG4-NHS ester)-Cy5

HydroxRuixiG3-t-butyl ester，HydroxRuixiG3-(CH2)2-Boc

m-PEG16-acid

m-PEG6-2-methylacrylate

Dimethylanaline-PEG35-alcohol

Fmoc-PEG3-CH2CO2-NHS，Fmoc-N-PEG3-CH2-NHS ester

Fmoc-PEG2-alcohol

m-PEG8-DSPE

C11-PEG9-alcohol

THP-PEG7，THP-PEG6-OH

Azido-PEG3-Val-Cit-PAB-OH

m-PEG3-NHS ester

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

m-PEG10-acid

m-PEG1-NHS ester

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