Propargyl-PEG3-Sulfone-PEG3-propargyl

TCO-PEG4-amine

TCO-PEG4-TCO

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

TCO-PEG8-acid，TCO-PEG8-COOH

(S, R, S)-AHPC-PEG2-NHS ester

TCO-PEG12-NHS ester

Biotin-PEG11-Gly-Gly-Gly-amine

Mal-amido-PEG8-Val-Gly

SPDP-PEG24-acid

Thalidomide-O-PEG2-Acid

TCO-PEG6-acid

DM1-MCC-PEG4-BCN

Azido-PEG4-Val-Cit-PAB-MMAE

Biotin-PEG12-Gly-Gly-Gly

Thalidomide-O-PEG4-Acid

Azido-PEG4-beta-D-glucose

TCO-PEG36-NHS ester

TCO-PEG4-acid

(S, R, S)-AHPC-PEG4-Azide