1-Cyclopropyl-6,7-difluoro-8-chloro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid; 1-Cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydroquinolin-3-carboxylic acid; 8-Chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
1-Cyclopropyl-6,7-difluoro-8-chloro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid; 1-Cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydroquinolin-3-carboxylic acid; 8-Chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid