InChI=1/C14H10Cl2N4O/c1-18-13-12(16)4-9(7-19-13)14(21)20-10-3-2-8(6-17)11(15)5-10/h2-5,7H,1H3,(H,18,19)(H,20,21)/f/h18,20H DD7290899C1CB869