TCO-PEG36-acid，TCO-PEG36-COOH

Thalidomide-O-PEG2-NHS ester

TCO-PEG8-TFP ester

m-PEG3-Sulfone-PEG2-OH，m-PEG3-Sulfone-PEG3

Thalidomide-O-PEG5-Tosyl

Bis-sulfone-PEG12-Acid

m-PEG3-S-PEG4-propargyl

TCO-PEG2-TCO

SPDP-PEG8-NHS ester，LC-PEG8-SPDP，SPDP-dPEG

m-PEG3-Sulfone-PEG3-azide

endo-BCN-PEG4-Val-Cit-PAB-MMAE

TCO-PEG3-amine

Thalidomide-O-amido-PEG4-propargyl

TCO-PEG3-NHS ester

(S, R, S)-AHPC-PEG4-NHS ester

Mal-amido-PEG8-val-gly-PAB-OH

Acid-PEG4-Sulfone-PEG4-acid，Sulfone-Bis-PEG4-acid

TCO-PEG8-TCO

Azido-PEG3-Sulfone-PEG4-acid

m-PEG3-Sulfone-PEG4-propargyl