4(3H)-pyrimidinone, 6-amino-2-(methylamino)- 6-amino-2-(methylamino)pyrimidin-4(3H)-one InChI=1/C5H8N4O/c1-7-5-8-3(6)2-4(10)9-5/h2H,1H3,(H4,6,7,8,9,10