InChI=1/C15H12N6O/c16-10-4-1-3-9(7-10)11-8-21-15(13(17)18-11)19-14(20-21)12-5-2-6-22-12/h1-8H,16H2,(H2,17,18)/p+1/fC15H13N6O/h18H,17H2/q+1 D2B1F8B0E7CFA9C4