4,6-Diamino-2-methylthio-5-pyrimidine sulfonamide 5-Pyrimidinesulfonamide, 4,6-diamino-2-(methylthio)- 5-Pyrimidinesulfonamide, 4,6-diamino-2-methylthio- 51461-76-8 NSC65397 WLN: T6N CNJ BS1 DZ ESZW FZ