InChI=1/C14H10Cl2N2O3/c15-8-5-10(14(20)21)13(11(16)6-8)18-12(19)7-9-3-1-2-4-17-9/h1-6H,7H2,(H,18,19)(H,20,21)/p-1/fC14H9Cl2N2O3/h18H/q-1 2337F3BDED08FFDE