InChI=1/C14H12N5/c1-2-4-12(5-3-1)13-8-6-11(7-9-13)10-15-14-16-18-19-17-14/h1-9H,10H2,(H-,15,16,17,18,19)/q-1/f/h15H 787BAE47389E46E8