InChI=1/C12H12N6O2/c13-11-16-9(17-12(14)18-11)7-20-10(19)5-4-8-3-1-2-6-15-8/h1-6H,7H2,(H4,13,14,16,17,18)/b5-4+/f/h13-14H2 9490412D437CF778