Similar names: Nalidixic acid; 1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid; 1,8-Naphthyridine-3-carboxylic acid, 1-ethyl-1,4-dihydro-7-methyl-4-oxo-1,4-Dihydro-1-ethyl-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid; 1-Ethyl-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid; 1-Ethyl-7-methyl-1,8-naphthyridin-4-one-3-carboxylic acid; 1-Ethyl-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid; 3-Carboxy-1-ethyl-7-methyl-1,8-naphthyridin-4-one; Betaxina; Cybis; Dixiben; Eucistin; Innoxalomn; NSC 82174; Nacid; Nalidic acid; Nalidicron; Nalidixan; Nalidixic acid; Nalidixin; Nalidixinic acid; Nalitucsan; Nalix; Nalurin; Narigix; Naxuril; NegGram; Nelidix; Nevigramon; Nicelate; Nogram; Poleon; Specifin; Uralgin; Uriben; Uriclar; Urisal; Urodixin; Uroman; Uroneg; Uropan; Win 18320; Wintomylon