Used as an intermediate in the synthesis of epidermal growth factor receptor (EGFR) inhibitors, particularly in the development of anticancer drugs. It plays a key role in targeting tyrosine kinase activity, which is involved in signaling pathways that drive tumor growth. This compound is especially valuable in the preparation of targeted therapies for non-small cell lung cancer and other solid tumors. Its structure allows for selective modification to enhance drug potency, bioavailability, and receptor binding affinity. Commonly employed in pharmaceutical research and development for generating active pharmaceutical ingredients (APIs) in oncology.