InChI=1/C15H10N4O2/c20-13-8-5-6-16-7-11(8)19-15(21)12(13)14-17-9-3-1-2-4-10(9)18-14/h1-7H,(H,17,18)(H2,19,20,21)/p-1/fC15H9N4O2/h17,19H/q-1 D47E3DF818EE3499