Synonyms: 1,8-Naphthyridine-3-carboxylicacid, 1,4-dihydro-1-methyl-7-[2-(5-nitro-2-furanyl)ethenyl]-4-oxo-, potassiumsalt, (E)-; 1,8-Naphthyridine-3-carboxylic acid,1,4-dihydro-1-methyl-7-[2-(5-nitro-2-furyl)vinyl]-4-oxo-, potassium salt, (E)-(8CI); DS 677K