cancer types worldwide. Application of EGFR tyrosine kinase inhibitors leads to acquired resistance by secondary EGFR mutations or by amplification of the hepatocyte growth factor receptor (c-Met) gene. Although several EGFR and c-Metinhibitors have been reported, potent dual EGFR/c-Metinhibitors, which can overcome this latter resistance mechanism, have hitherto not been published and have not reached