InChI=1/C16H13Br2N3O/c1-2-21-14-6-4-3-5-13(14)20-16(21)19-9-10-7-11(17)8-12(18)15(10)22/h3-9,22H,2H2,1H3/p+1/fC16H14Br2N3O/h20H/q+1 7749A5E917C7DCF8