InChI=1/C15H8Cl4N2O4/c1-5(22)6-2-8-9(25-4-24-8)3-7(6)20-15(23)13-11(17)10(16)12(18)14(19)21-13/h2-3H,4H2,1H3,(H,20,23)/f/h20H 38331016B47FD897