InChI=1/C10H8Cl2N4O3/c1-19-8-5(2-6(11)3-7(8)12)4-13-16-9(17)14-15-10(16)18/h2-4H,1H3,(H,14,17)(H,15,18)/b13-4+/f/h14-15H 8D93E74A47E207C7