3-(m-PEG8-ethoxycarbonyl)propanoic-NHS ester

HO-PPG1-PEG2-PPG1-OH，Propanol-PEG3-CH2OH

m-PEG5-Ms

N-(Iodoacetamido)-Doxorubicin

THP-PEG4，THP-PEG3-OH

m-PEG7-azide

Tr-PEG3，Tr-PEG2-OH

Pentaethylene glycol

m-PEG4-(CH2)3-methyl ester，m-PEG4-CH2-methyl ester

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

Hydroxy-PEG3-2-methylacrylate

Mal-PEG4-Glu(TFP ester)-NH-m-PEG24

PEG12，HO-PEG11-OH

PEG22，HO-PEG21-OH

m-PEG16-alcohol，十六甘醇单甲醚

Tr-PEG4，Tr-PEG3-OH

m-PEG8-Mal

Hydroxy-PEG5-methyl ester，Hydroxy-PEG5-C2-methyl ester

m-PEG5-Tos

m-PEG6-thiol，巯基六甘醇单甲醚