Shenzhen Targetrx Inc. has designed new proteolysis targeting chimeric (PROTACs) compounds comprising cereblon (CRBN) ligands covalently bonded to an EGFR L858R-, L858R/T790M double mutant- and L858R/T790M/C797S triple mutant-targeting moiety through a linker reported to useful for the treatment of non-small-cell lung cancer.