InChI=1/C13H16Cl4N2O/c1-4-13(2,3)18-6-9(20)19-12-10(16)7(14)5-8(15)11(12)17/h5,18H,4,6H2,1-3H3,(H,19,20)/p+1/fC13H17Cl4N2O/h18-19H/q+1 134F561D44360653