InChI=1/C20H16Cl2N4O2/c1-25-19(28)26(16-7-14(21)6-15(22)8-16)18(27)20(25)11-24-10-17(20)13-4-2-12(9-23)3-5-13/h2-8,17,24H,10-11H2,1H3/t17-,20-/m1/s1 D560F6A082DCC95D