– EGFR-IN-59 is an EGFR inhibitor with an IC50 value of 190 nM and an all-time apoptosis inducer. EGFR-IN-59 exhibited cytotoxicity against a non-small lung cancer cell line (A549) and normal lung fibroblasts (WI38) with IC50s of 8.62 and 52.6 μM, respectively. EGFR-IN-59 EGFR-IN-59 can be used to study a variety of cancers including non-small cell lung cancer (NSCLC), head and neck cancer, breast cancer and colorectal cancer.