abstract |
Disclosed is the compound 1-(6-amino-3,5-difluoropyridin-2-yl)-8-chloro-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid represented by the following formula: (see above formula) or a salt thereof. The compound or salt is useful as an anti-bacterial agent. |