(S,R,S)-AHPC-C5-COOH (VH032-C5-COOH) is a synthesized E3 ligase ligand-linker conjugate, contains the VH032 VHL-based ligand and a linker to form PROTACs. VH-032 is a selective and potent inhibitor of VHL HIF-1α interaction with a Kd of 185 nM, has the potential for the study of anemia and ischemic diseases[1].