InChI=1/C13H12BrN5O3/c1-6-10(12(21)22-2)11(19-13(15-6)16-17-18-19)7-3-4-9(20)8(14)5-7/h3-5,11,20H,1-2H3,(H,15,16,18)/p+1/t11-/m0/s1/fC13H13BrN5O3/h16,18H/q+1 E5F8244739C1CAF7