Hemihydrochloride of 8-cyano-1-cyclopropyl-7-(1S, 6S-2,8-diazabicyclo-4,3,0nonan-8-yl)-6-fluoro-1,4-dihydro-4-oxo-3-quinoline carboxylic acid, process of its preparation and use thereof in mixtures exhibiting antibacterial activity

摘要

The present invention relates to a 8-cyan-1- cyclopropyl -7-(1S, 6S-2,8- diazabicyclo [4.3.0]nonan-8-yl)-6- fluoro- 1,4 -dihydro- 4-oxo-3-quinoline carboxylic acid hemihydrochloride of the general formula I, a process for its preparation and a mixture exhibiting antibacterial activity in which the hemihydrochloride is comprised.