N-(Iodoacetamido)-Doxorubicin

m-PEG15-alcohol，m-PEG15-OH

m-PEG5-t-buyl ester，m-PEG5-Boc

Tr-PEG9，Tr-PEG8-OH

Hydrox-PEG6-Tos，PEG6-Tos

Fmoc-NH-PEG3-CH2COOH

Fmoc-N-amido-PEG5-acid，Fmoc-NH-PEG5-CH2CH2COOH

m-PEG9-CH2COOH

THP-PEG3，THP-PEG2-OH，Tetrahydropyranyldiethyleneglycol

Iodoacetyl-LC-Biotin

m-PEG3-NHS ester

Hydroxy-PEG13-t-butyl ester，Hydroxy-PEG13-Boc

Hydroxy-PEG9-t-butyl ester，Hydroxy-PEG9-Boc

m-PEG3-t-butyl ester，m-PEG3-Boc

m-PEG4-sulfonic acid

m-PEG6-2-methylacrylate

Hydroxy-PEG24-t-butyl ester，Hydroxy-PEG24-Boc

m-PEG7-(CH2)3-alcohol，m-PEG7-CH2-OH

m-PEG37-NHS ester

Fmoc-NH-PEG12-CH2COOH