Used as a key intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the production of advanced antimicrobial agents. Its structure supports high potency against Gram-positive and Gram-negative bacteria by inhibiting bacterial DNA gyrase and topoisomerase IV. Commonly employed in pharmaceutical research and development for creating derivatives with improved bioavailability and reduced resistance. Also utilized in the preparation of ophthalmic and systemic anti-infective drugs.