9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid chebi_ontology CHEBI:194135 An oxazinoquinoline that is 2,3-dihydro-7<em>H</em>-[1,4]oxazino[2,3,4-<em>ij</em>]quinolin-7-one substituted by methyl, carboxy, fluoro, and 4-methylpiperazin-1-yl groups at positions 3, 6, 9, and 10, respectively. organofluorine compound N-arylpiperazine N-methylpiperazine 3-oxo monocarboxylic acid oxazinoquinoline