abstract |
The present invention relates to new 7-amino-1-cyclopropyl-4-oxo-1,4-dihydro-naphthyridine - (- quinoline) -3-carboxylic acids of the formula I <IMAGE> in which A, B, R¹ and R² the in have the meaning given in the description, processes for their preparation and medicaments containing them, in particular antibacterial agents, and feed additives. |