Thalidomide-O-PEG6-Acid

Mal-PEG8-Val-Cit-PAB-MMAE

Thalidomide-O-PEG4-NHS ester

Azide-PEG3-MMAF

SPDP-PEG12-acid

TCO-PEG12-amine

(S, R, S)-AHPC-PEG3-amine hydrochloride salt

Thalidomide-O-amido-PEG4-azide

Azide-PEG3-Sulfone-PEG3-azide

TCO-PEG3-triethoxysilane，TCO-PEG3-amide-C3-triethoxysilane

TCO-PEG6-TCO

Bis-Sulfone-PEG8-acid

(S, R, S)-AHPC-PEG2-acid

TCO-PEG8-NHS ester

TCO-PEG6-NHS ester

TCO-PEG2-Sulfo-NHS ester

Fmoc-PEG3-Ala-Ala-Asn(Trt)-PAB-PNP

TCO-PEG2-amine，TCO-PEG2-NH2

Propargyl-PEG4-S-PEG4-acid

m-PEG3-Sulfone-PEG3-t-butyl ester，m-PEG3-Sulfone-PEG3-Boc