InChI=1/C16H14Cl2N4O/c1-2-4-11-14-12(13-9(17)5-3-6-10(13)18)8(7-19)15(20)23-16(14)22-21-11/h3,5-6,12,16H,2,4,20H2,1H3/t12-,16-/m0/s1 D4CF121B6EE0FAD8