Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of fluorinated drug candidates where enhanced metabolic stability and bioavailability are desired. Its structure supports the creation of biologically active molecules, especially in central nervous system agents and anti-inflammatory compounds. The presence of fluorine atoms improves membrane permeability and binding selectivity. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its electron-withdrawing properties and resistance to oxidative degradation.