HLB-0532259 is a PROTAC degrader for Aurora-A and N-Myc. HLB-0532259 degrades Aurora-Ain a non-MYCN amplified MCF-7 with a DC50 of 20.2 nM, degrades N-Myc in MYCN amplified cells SK-N-BE and Kelly with DC50 of 179 nM and 229 nM. HLB-0532259 exhibits antitumor efficacy in mouse models[1]. (Pink: ligand for target protein ; Black: linker (HY-W007957) ; Blue: ligand for E3 ligase Cereblon (HY-41547) )