Used as a key intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the production of advanced antimicrobial agents. Its structure supports the development of drugs with enhanced activity against resistant bacterial strains. Commonly employed in pharmaceutical research to improve potency, pharmacokinetics, and spectrum of action in new quinolone-based therapeutics. Also utilized in structure-activity relationship (SAR) studies to optimize antibacterial efficacy and reduce side effects.