InChI=1/C14H8BrFN4O2/c15-10-5-8(16)4-9-11(10)18-14(22)12(9)19-20-13(21)7-2-1-3-17-6-7/h1-6H,(H,20,21)(H,18,19,22)/f/h20,22H/b19-12+ C3770D6E6B8E7844