InChI=1/C13H10N8O/c14-13-17-10(9-2-1-5-22-9)11-12(18-13)21(20-19-11)7-8-6-15-3-4-16-8/h1-6H,7H2,(H2,14,17,18)/f/h14H2 714AE847E384A22E