has role oxolinic acid A quinolinemonocarboxylic acid having the carboxy group at position 7 as well as oxo and ethyl groups at positions 4 and 1 respectively and a dioxolo ring fused at the 5- and 6-positions. A synthetic antibiotic, it is used in veterinary medicine for the treatment of bacterial infections in cattle, pigs and poultry. 1-Ethyl-1,4-dihydro-6,7-methylenedioxy-4-oxo-3-quinolinecarboxylic acid CHEBI:44731 OA 1-Ethyl-6,7-methylenedioxy-4-quinolone-3-carboxylic acid 5-Ethyl-5,8-dihydro-8-oxo-1,3-dioxolo(4,5-g)quinoline-7-carboxylic acid chebi_ontology CHEBI:138856 CHEBI:7848 enzyme inhibitor quinolinemonocarboxylic acid organic heterotricyclic compound antifungal agent antibacterial drug oxacycle oxolinate quinolone antibiotic