sulfapyridine2-(p-Aminobenzenesulphonamido)pyridine2-Sulfanilamidopyridin2-Sulfanilamidopyridine2-Sulfanilylaminopyridine2-Sulfapyridine4-(2-Pyridinylsulfonyl)aniline4-Amino-N,2-pyridinylbenzenesulfonamide4-Amino-N-pyridin-2-yl-benzenesulfonamide4-[(2-Pyridylamino)sulfonyl]anilineN(1)-2-PyridylsulfanilamideN(1)-PyridylsulfanilamideN-2-PyridylsulfanilamideSolfapiridinaSulphapyridine