3-methyl[1,2,4]triazolo[5,1-c][1,2,4]triazin-4(1H)-one InChI=1/C5H5N5O/c1-3-4(11)10-5(9-8-3)6-2-7-10/h2H,1H3,(H,6,7,9 [1,2,4]triazolo[5,1-c][1,2,4]triazin-4(1H)-one, 3-methyl-