InChI=1/C13H14BrN5O/c1-2-19-4-3-15-12(19)7-16-9-6-11-10(5-8(9)14)17-13(20)18-11/h3-6,16H,2,7H2,1H3,(H2,17,18,20)/f/h17-18H D8E56CE6F7034164