ORBIFLOXACIN

1-CYCLOPROPYL-7-(3,5-DIMETHYL-1-PIPERAZINYL)-5,6,8-TRIFLUORO-1,4-DIHYDRO-4-OXO-3-QUINOLINECARBOXYLIC ACID;1-CYCLOPROPYL-7-(3,5-DIMETHYL-PIPERAZIN-1-YL)-5,6,8-TRIFLUORO-4-OXO-1,4-DIHYDRO-QUINOLINE-3-C