abstract |
Disclosed is 1- (6-amino-3,5-difluoropyridin-2-yl) -8-bromo-7- (3-ethylaminoazetidin-1-yl) -6-fluoro-4-oxo-1,4-dihydroquinoline -3-carboxylic acid or a salt thereof, as well as a pharmaceutical composition thereof. This compound can be used in the manufacture of a medicament for the treatment of infectious diseases in humans and animals. |