Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of fluorinated active pharmaceutical ingredients (APIs) where the fluorine atoms enhance metabolic stability and bioavailability. Its carboxylic acid and hydroxymethyl functional groups allow for versatile coupling reactions, making it valuable in constructing complex drug molecules. Commonly employed in the preparation of kinase inhibitors and other biologically active agents targeting inflammatory and oncological diseases. Also utilized in medicinal chemistry research for structure-activity relationship (SAR) studies due to its rigid aromatic backbone and defined substitution pattern.