Used as a key intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the production of advanced antimicrobial agents. Its structure allows for further chemical modifications that enhance antibacterial activity, especially against resistant strains. Commonly utilized in pharmaceutical research and development for creating derivatives with improved pharmacokinetics and broader spectrum efficacy. Plays a role in developing drugs targeting DNA gyrase and topoisomerase IV in bacteria, making it valuable in combating urinary tract infections, respiratory infections, and other bacterial diseases.