InChI=1/C15H12N4/c16-9-11-5-7-12(8-6-11)10-19-14-4-2-1-3-13(14)18-15(19)17/h1-8H,10H2,(H2,17,18)/p+1/fC15H13N4/h18H,17H2/q+1 BEF57985C7B0738B