2(1H)-Pyridinethione, 3-((6-amino-2-(methylthio)-4-pyrimidinyl)amino)-6-chloro- 3-((6-Amino-2-(methylthio)-4-pyrimidinyl)amino)-6-chloro-2(1H)-pyridinethione 81587-41-9 BRN 5579402 N-6'-Chloro-2'(1H)-thioxo-3'-pyridyl-4-amino-2-methylthio-6-pyrimidinylamine