EGFR-IN-1 TFA (30 mg/kg; p.o.; daily for 2 weeks) displays significant tumor growth inhibition with no observed loss in body weight. EGFR-IN-1 TFA evaluates in a time course PD experiment upon oral dosing at 30 mg/kg. EGFR-IN-1 TFA shows a >50% inhibition of phosphorylation of EGFR for >12 h. EGFR-IN-1 TFA reaches maximal concentration of 0.10 μM at 2 h and systemic exposure (AUC0-inf.) is 0.33 μM. h.