InChI=1/C16H12Cl2N2O/c17-13-6-5-10(9-14(13)18)16(21)12-4-2-1-3-11(12)15-19-7-8-20(15)16/h1-6,9,21H,7-8H2/p+1/t16-/m1/s1/fC16H13Cl2N2O/h19H/q+1 6DCE02E1BD7BE364