InChI=1S/C20H20Cl2N4O2S/c1-12(2)18-19(29-16-8-14(21)7-15(22)9-16)26(10-13-3-5-24-6-4-13)17(25-18)11-28-20(23)27/h3-9,12H,10-11H2,1-2H3,(H2,23,27)