InChI=1/C12H16N6O2/c1-18-7-6-9(17-18)10-15-16-12(20-10)14-11(19)13-8-4-2-3-5-8/h6-8H,2-5H2,1H3,(H2,13,14,16,19)/f/h13-14H 74B096D02D3D01E0