InChI=1/C16H14Cl2N2O3/c1-10(16(21)22)20-23-9-11-5-2-3-8-14(11)19-15-12(17)6-4-7-13(15)18/h2-8,19H,9H2,1H3,(H,21,22)/p-1/b20-10-/fC16H13Cl2N2O3/q-1 E0BD9895BA26DB4E