InChI=1/C12H10Cl2N4O4/c1-18-11(21)15-7-4(3-5(13)8(22-2)6(7)14)12(18)9(19)16-10(20)17-12/h3H,1-2H3,(H,15,21)(H2,16,17,19,20)/t12-/m1/s1/f/h15-17H E00A869900ACFF10