InChI=1/C12H10F2N4O/c13-8-4-1-5-9(14)10(8)17-12(19)7-3-2-6-16-11(7)18-15/h1-6H,15H2,(H,16,18)(H,17,19)/f/h17-18H E40FD7E88DD7F583