InChI=1/C12H7Cl3N2O3/c1-5-4-17(16-10(11(5)18)12(19)20)9-3-7(14)6(13)2-8(9)15/h2-4H,1H3,(H,19,20)/p-1/fC12H6Cl3N2O3/q-1 5F3AFFBCC7D6F38B