Used primarily as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. Its structure allows for selective binding to enzyme active sites, making it valuable in drug discovery. Commonly utilized in research settings to design potent and selective inhibitors targeting tyrosine kinases and other signaling proteins involved in tumor growth. Also employed in the preparation of radiolabeled compounds for positron emission tomography (PET) imaging due to the presence of iodine, enabling diagnostic applications in oncology.