Similar names: Benzenesulfonamide, 4-amino-N-2-pyridinyl-Sulfanilamide, N1-2(1H)-pyridylidene- (6CI,7CI); Sulfanilamide, N1-2-pyridyl- (8CI); Sulfanilamide, N4-2-pyridyl- (4CI); 2-Sulfanilamidopyridine; 2-Sulfapyridine; 4-Amino-N-2-pyridinylbenzenesulfonamide; 4-[(2-Pyridylamino)sulfonyl]aniline; A-499; Adiplon; Coccoclase; Dagenan; Eubasin; Eubasinum; Haptocil; M and B 693; N-(2-Pyridyl)-4-aminobenzenesulfonamide; N1-2-Pyridylsulfanilamide; NSC 41791; NSC 4753; Piridazol; Pirodazole; Plurazol; Pyriamid; Pyridazol; Relbapiridina; Ronin; Septipulmon; Streptosilpyridine; Sulfapyridine; Sulfidin; Sulfidine; Sulphapyridine; Thioseptal; Trianon