InChI=1/C16H14Cl2N2O3/c17-11-7-10(15(22)13(18)8-11)9-19-5-6-20-16(23)12-3-1-2-4-14(12)21/h1-4,7-9,21-22H,5-6H2,(H,20,23)/p+1/b19-9+/fC16H15Cl2N2O3/h19-20H/q+1 DACDB104675D401D