InChI=1/C14H14BrFN4O/c15-10-4-5-12(11(16)9-10)20-14(21)19-8-7-18-13-3-1-2-6-17-13/h1-6,9H,7-8H2,(H,17,18)(H2,19,20,21)/f/h18-20H CE871E486D052800