InChI=1/C18H14N4O2/c1-11-19-18(24-22-11)13-6-4-5-12(9-13)10-16-14-7-2-3-8-15(14)17(23)21-20-16/h2-9H,10H2,1H3,(H,21,23)/f/h21H 7C3CAB1FA04FEF31