InChI=1/C11H8Cl2N4O3/c1-17-10(20)14-7-5(2-4(12)3-6(7)13)11(17)8(18)15-9(19)16-11/h2-3H,1H3,(H,14,20)(H2,15,16,18,19)/p-1/t11-/m0/s1/fC11H7Cl2N4O3/h14,16H/q-1 F59B57B31332414E