title: Studies on chemotherapeutic agents. II. Synthesis and antibacterial activity of 5-substituted-5,8-dihydro-8-oxopyrido(2,3-b)-pyrazine-7-carboxylic acids.
mesh_terms: D001419:Bacteria / Q000187:drug effects; D002264:Carboxylic Acids / Q000138:chemical synthesis / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D011719:Pyrazines / Q000138:chemical synthesis / Q000494:pharmacology; D011725:Pyridines / Q000138:chemical synthesis / Q000494:pharmacology
chemical_list: D002264:Carboxylic Acids; D011719:Pyrazines; D011725:Pyridines