InChI=1/C15H11ClN4O4/c1-8-5-12(19-24-8)17-7-11-13(21)18-15(23)20(14(11)22)10-4-2-3-9(16)6-10/h2-7H,1H3,(H,17,19)(H,18,21,23)/b11-7+/f/h17-18H 81ED65F94E36B089