InChI=1/C13H16Cl2N2O3/c1-2-13(12(19)20)4-3-5-17(7-13)11(18)9-6-8(14)10(15)16-9/h6,16H,2-5,7H2,1H3,(H,19,20)/p-1/t13-/m0/s1/fC13H15Cl2N2O3/q-1 90C4BAE570F02953