InChI=1/C13H14Cl2N2O3/c1-13(2)12(20)17(4-3-11(18)19)10-6-8(15)7(14)5-9(10)16-13/h5-6,16H,3-4H2,1-2H3,(H,18,19)/p-1/fC13H13Cl2N2O3/q-1 F470555AF58AE3B8