InChI=1/C15H13N5O/c16-13-18-14(17-11-7-3-1-4-8-11)20(15(21)19-13)12-9-5-2-6-10-12/h1-10H,(H3,16,17,18,19,21)/p+1/fC15H14N5O/h17-18H,16H2/q+1 D20AF7D5AA4E0A44