Cyanofluorinated quinoline antibiotic. Prepn: S. Bartel et al., WO 9731001; eidem, US 6323213 (1997, 2001 both to Bayer). LC/MS/MS determn in biological fluids: R. Krebber, J. Vet. Pharmacol. Ther. 26, Suppl 1, 102 (2003). Bioavailability: M. A. Bregante et al., ibid. 87; K. Fraatz et al., ibid. 88. Clinical trial in dogs in comparison with amoxicillin and clavulanic acid, q.q.v.: B. Stephan et al., ibid. 217.