Used in pharmaceutical research as a key intermediate in the synthesis of targeted cancer therapies, particularly in the development of kinase inhibitors. Its structure enables selective binding to specific enzyme targets involved in tumor growth and signal transduction pathways. Commonly employed in medicinal chemistry for optimizing drug candidates due to its favorable metabolic stability and ability to enhance blood-brain barrier penetration. Also utilized in structure-activity relationship (SAR) studies to improve potency and selectivity of novel oncology compounds.