Used as an intermediate in the synthesis of pharmaceuticals, particularly in the production of certain antihypertensive and antiarrhythmic drugs. It serves as a building block in organic reactions where the pyridine ring acts as a ligand or active component in bioactive molecules. Its functional groups allow for easy modification, making it valuable in medicinal chemistry for developing drug candidates. Also employed in the preparation of agrochemicals and specialty chemicals due to its stability and reactivity profile.