InChI=1/C16H12Cl2N2O3/c17-11-6-7-14(13(18)8-11)19-20-15(21)9-12(16(22)23)10-4-2-1-3-5-10/h1-9,19H,(H,20,21)(H,22,23)/p-1/b12-9-/fC16H11Cl2N2O3/h20H/q-1 70201EC895ABCECA