InChI=1/C12H7Cl3N2O3/c1-5-2-9(18)10(12(19)20)16-17(5)11-7(14)3-6(13)4-8(11)15/h2-4H,1H3,(H,19,20)/p-1/fC12H6Cl3N2O3/q-1 05E254958A1ADBB4