InChI=1/C16H10Cl2N2/c1-20-13-8-9(17)6-7-11(13)15(18)14-10-4-2-3-5-12(10)19-16(14)20/h2-8H,1H3/p+1/fC16H11Cl2N2/h19H/q+1 D6EC784AE5331419