AH081
AH081 (Compound 38) is a CK1δ/ε PROTAC degrader. AH081 is the negative control compound of AH078 (HY-170859). AH081 has inhibitory but no degradation activity for CK1δ/ε by using an inactive stereoisomer of the VHL ligand. Pink: CK1δ/ε ligand (HY-148251); Blue: VHL ligase ligand (HY-125845B); Black: linker