InChI=1/C12H12Cl2N4O3/c1-6-8(5-15)12(17(2)16-6)21-11-9(13)3-7(18(19)20)4-10(11)14/h3-4H,5,15H2,1-2H3/p+1/fC12H13Cl2N4O3/h15H/q+1 277AFEFBED163016