InChI=1/C14H15Cl4N3O2/c15-8-5-9(16)12(18)13(11(8)17)20-10(22)6-21-3-1-7(2-4-21)14(19)23/h5,7H,1-4,6H2,(H2,19,23)(H,20,22)/p+1/fC14H16Cl4N3O2/h20-21H,19H2/q+1 28521527B7BB2FF1