m-PEG12-CH2CH2NHCH2CH2COOH，m-PEG12-NH-C2-acid

Cy5-PEG4-acid

3-(m-PEG8-ethoxycarbonyl)propanoic acid，m-PEG8-ethoxycarbonyl-propanoic acid

N-Boc-N-bis(PEG3-azide)

Azido-PEG8-PFP ester

m-PEG24-acid

m-PEG9-CH2COOH

Bromo-PEG3-acid，Bromo-PEG3-C2-acid

PEG11，Decaethylene glycol， HO-PEG10-OH

Fmoc-PEG24-alcohol

t-Boc-N-amido-PEG3-sulfonic acid，Boc-NH-PEG3-sulfonic acid

Ald-Ph-PEG12-TFP ester

Propargyl-PEG1-SS-PEG1-t-butyl ester，Propargyl-PEG1-SS-PEG1-C2-Boc

ICG-PEG-NHS，MW：20000

Fmoc-N-amido-PEG8-acid，Fmoc-NH-PEG8-CH2CH2COOH

Hydrox-PEG4-Tos，PEG4-Tos

BDP FL-PEG4-TCO，BDP FL-PEG4-(4E)-TCO

DNP-PEG4-acid

Acid-PEG2-SS-PEG2-acid

t-boc-N-amido-PEG7-azide，Boc-NH-PEG7-azide