InChI=1/C13H17BrN4O2/c1-2-3-4-8(15)12(19)16-9-6-11-10(5-7(9)14)17-13(20)18-11/h5-6,8H,2-4,15H2,1H3,(H,16,19)(H2,17,18,20)/p+1/t8-/m0/s1/fC13H18BrN4O2/h15-18H/q+1 89FB7F86A758D21D