(S,R,S)-AHPC-PEG2-NH2 (VHL Ligand-Linker Conjugates 3) is a synthesized E3 ligase ligand-linker conjugate. (S,R,S)-AHPC-PEG2-NH2 incorporates the (S,R,S)-AHPC based VHL ligand and 2-unit PEG linker used in the synthesis of PROTACs.

(S,R,S)-AHPC-PEG3-NH2 hydrochloride (E3 ligase Ligand-Linker Conjugates 5) is an E3 ligase ligand-linker conjugate incorporating the (S,R,S)-AHPC-based VHL ligand and 3-unit PEG linker.

(S,R,S)-AHPC-PEG2-NH2 hydrochloride (E3 ligase Ligand-Linker Conjugates 6) is a synthesized E3 ligase ligand-linker conjugate. (S,R,S)-AHPC-PEG2-NH2 hydrochloride incorporates the (S,R,S)-AHPC based VHL ligand and 2-unit PEG linker used in the synthesis of PROTAC.

(S,R,S)-AHPC-PEG3-NH2 is a synthetic conjugate of an E3 ligase ligand-linker, incorporating the (S,R,S)-AHPC VHL ligand and a 3-unit PEG linker, which are utilized in PROTAC technology.