InChI=1S/C17H14N6O/c18-16(19)10-6-7-11-12(8-10)21-17(20-11)14-15(24)13(22-23-14)9-4-2-1-3-5-9/h1-8,24H,(H3,18,19)(H,20,21)(H,22,23)