Used as a key intermediate in the synthesis of tyrosine kinase inhibitors, particularly in anticancer agents targeting vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR). Its structure enables selective inhibition of abnormal cell signaling pathways in tumors, making it valuable in developing targeted cancer therapies. Also employed in research for structure-activity relationship studies to optimize drug potency and selectivity.