InChI=1/C19H16Cl2N4O3/c1-11-17(18(25-28-11)14-4-2-3-5-15(14)21)19(26)24-23-16(22)10-27-13-8-6-12(20)7-9-13/h2-10,23H,22H2,1H3,(H,24,26)/b16-10-/f/h24H 2C9F1B80E7FA8F4A