Pomalidomide-PEG3-C2-NH2 TFA (Cereblon Ligand-Linker Conjugates 5 (TFA)) is a synthetic E3 ligase ligand-linker conjugate comprising a Pomalidomide (HY-10984)-based cereblon ligand and a 3-unit PEG linker. Pomalidomide-PEG3-C2-NH2 TFA can be used for the synthesis of PROTACs[1].