4-amino-N-(6-chloropyridazin-3-yl)benzenesulfonamide;N1-(6-Chloro-3-pyridazinyl)sulfanilamide; 3-Chloro-6-sulfanilamidopyridazine; 6-Sulfanilamido-3-chloropyridazine; BA 10370; Bactolin; Ciba 10370; Consulid; Cosulid; Durasulf; N1-(6-Chloro-3-pyridazinyl)sulfanilamide; Nefrosul; Renalsulfa; Sonilyn; Sulfachlorpyridazine; Sulfaclorazina; Sulfarene; Sulfochlorpyridazine; Sulpirazina;