Synonyms: 3-Quinolinecarboxylicacid,1-cyclopropyl-6-fluoro-1,4-dihydro-5-methyl-7-(3-methyl-1-piperazinyl)-4-oxo-,monohydrochloride (9CI); 3-Quinolinecarboxylic acid,1-cyclopropyl-6-fluoro-1,4-dihydro-5-methyl-7-(3-methyl-1-piperazinyl)-4-oxo-,monohydrochloride, (?à)-; Grepafloxacin hydrochloride; OPC 17116; Raxar; Vaxar; dl-Grepafloxacinhydrochloride