InChI=1/C13H11BrF2N4O/c14-7-3-6(15)4-8(16)11(7)18-13(21)12-9(17)10(19-20-12)5-1-2-5/h3-5H,1-2,17H2,(H,18,21)(H,19,20)/f/h18,20H DCE25E508C56FE08