title: Synthesis and antibacterial activities of substituted 7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxyl ic acids.
mesh_terms: D000900:Anti-Bacterial Agents / Q000138:chemical synthesis*; D001419:Bacteria / Q000187:drug effects; D055598:Chemical Phenomena; D002621:Chemistry; D008826:Microbial Sensitivity Tests; D010078:Oxazines / Q000138:chemical synthesis*
chemical_list: D000900:Anti-Bacterial Agents; D010078:Oxazines