InChI=1/C13H9N5O2/c14-11-13-16-12(10-4-2-6-20-10)17-18(13)7-8(15-11)9-3-1-5-19-9/h1-7H,(H2,14,15)/p+1/fC13H10N5O2/h15H,14H2/q+1 273915B9C3DD50EE