InChI=1/C13H15BrN4O2/c14-8-5-10-11(18-13(20)17-10)6-9(8)16-12(19)4-7-2-1-3-15-7/h5-7,15H,1-4H2,(H,16,19)(H2,17,18,20)/p+1/t7-/m1/s1/fC13H16BrN4O2/h15-18H/q+1 AA8A231F74F9F64C