InChI=1/C12H15Br2N3O4/c1-12(16,11(15)18)3-2-4-21-10-8(13)5-7(17(19)20)6-9(10)14/h5-6H,2-4,16H2,1H3,(H2,15,18)/p+1/t12-/m0/s1/fC12H16Br2N3O4/h16H,15H2/q+1 C51DD1B6D8AB5DA1