6-methylpyrazolo[5,1-c][1,2,4]triazin-4(6H)-one InChI=1/C6H6N4O/c1-9-3-2-5-8-7-4-6(11)10(5)9/h2-4H,1H pyrazolo[5,1-c][1,2,4]triazin-4(6H)-one, 6-methyl-