Trifluorinated quinolone antibacterial. Prepn: D. T. W. Chu, EP 131839; idem, US 4730000 (1985, 1988 to Abbott). Antibacterial activities: D. J. Hardy et al., Antimicrob. Agents Chemother. 31, 1768 (1987); K. V. I. Rolston et al., Eur. J. Clin. Microbiol. Infect. Dis. 7, 684 (1988); in comparison with other fluoroquinolones: A. L. Barry, R. N. Jones, J. Antimicrob. Chemother. 23, 527 (1989).