InChI=1/C16H10Cl2N4O4/c1-7-4-9(22(25)26)6-11-13(7)19-16(24)14(11)20-21-15(23)10-3-2-8(17)5-12(10)18/h2-6H,1H3,(H,21,23)(H,19,20,24)/p+1/fC16H11Cl2N4O4/h19-21H/q+1 A1C4551BC06D0A5F