ibafloxacin ibafloxacin ibafloxacin (inn) is a fluoroquinolone antibiotic drug formally approved for use in the european union for veterinary medicine. ibafloxacinclinical dataahfs/drugs.cominternational drug namesatcvet codeqj01ma96 (who) identifiers iupac name 6,7-dihydro-5,8-dimethyl-9-fluoro-1-oxo-1h,5h-benzo(i,j)quinolizine-2-carboxylic acid cas number91618-36-9 ypubchem cid71186chemspider64324 nunii53vpk9r0t5keggd04485 ycomptox dashboard (epa)dtxsid8057853 chemical and physical dataformulac15h14fno3molar mass275.279 g·mol−13d model (jsmol)interactive image smiles fc2cc1c(=o)/c(c(=o)o)=c\n3c1c(c2c)ccc3c inchi inchi=1s/c15h14fno3/c1-7-3-4-9-8(2)12(16)5-10-13(9)17(7)6-11(14(10)18)15(19)20/h5-7h,3-4h2,1-2h3,(h,19,20) nkey:dxkrgnxuirkxnr-uhfffaoysa-n n ny (what is this?) (verify)