Used as a key intermediate in the synthesis of fluorinated pharmaceuticals, particularly in the development of kinase inhibitors and antiviral agents. Its hydroxybenzimidamide structure allows for strong hydrogen bonding interactions, making it valuable in drug design for enhancing binding affinity to target proteins. Commonly employed in medicinal chemistry for optimizing metabolic stability and improving bioavailability in candidate drugs. Also utilized in the preparation of PET radiotracers due to the presence of fluorine-18 labeling potential, aiding in non-invasive imaging studies for neurological and oncological research.