InChI=1/C12H10Cl2N4O/c1-7-4-11(17-16-7)12(19)18-15-6-8-2-3-9(13)5-10(8)14/h2-6H,1H3,(H,16,17)(H,18,19)/b15-6+/f/h17-18H 041E2528EA567734