InChI=1/C11H12BrN5O3/c12-5-1-7-8(17-11(20)16-7)2-6(5)15-10(19)4-14-9(18)3-13/h1-2H,3-4,13H2,(H,14,18)(H,15,19)(H2,16,17,20)/p+1/fC11H13BrN5O3/h13-17H/q+1 EBCA4BB2A2F11EF2