InChI=1/C11H12BrN5O/c12-8-5-9(10(13)16-6-8)11(18)15-2-4-17-3-1-14-7-17/h1,3,5-7H,2,4H2,(H2,13,16)(H,15,18)/p+1/fC11H13BrN5O/h14-15H,13H2/q+1 733E992FA0E39A30