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E3 Ligase Ligand-linker Conjugate 54 is a conjugate of E3 ligase ligand and linker, consisting of Thalidomide (HY-14658) and the corresponding Linker. E3 Ligase Ligand-linker Conjugate 54 can serve as a Cereblon ligand to recruit CRBN protein and serve as a key intermediate for the synthesis of complete PROTAC molecules.

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