"U.S. Patent 3,896,131."@en . . . . . . "Flumequine is a synthetic chemotherapeutic antibiotic of the fluoroquinolone drug class used to treat bacterial infections."@en . . . . . . . . . . . . . . . . . . . . "Flumequine"@en . . . "withdrawn"@en . . . "42835-25-6"@en . .