InChI=1/C18H14N6O3/c1-24-12-7-3-2-6-11(12)16(25)13(18(24)27)14-15(17(26)23-21-14)22-20-10-5-4-8-19-9-10/h2-9,20,27H,1H3,(H,22,23,26)/p-2/fC18H12N6O3/h27h/q-2/b22-15- 0FBDB4CF0DC4738C