Two new fluoroquinolones soon in Belgium..
7-(3-azabicyclo[3.1.0]hexyl)quinolone antibacterial agents: synthesis and biological evaluation resulting in identification of CP-99,219.
33d ICAAC, 1993, New Orleans, LA, abstract 1509
Synthesis and biological properties of substituted 1,4-dihydro-5-methyl-4-oxo-3-quinolinecarboxylic acids.
Bioorg-Med-Chem. 1995 Dec; 3(12): 1699-706