InChI=1/C20H25Cl3N2O3/c1-2-27-19-11-15(12-25-6-5-24-7-8-26)10-18(23)20(19)28-13-14-3-4-16(21)17(22)9-14/h3-4,9-11,24-26H,2,5-8,12-13H2,1H3/p+2/fC20H27Cl3N2O3/h24-25H/q+2 5BFFDB2E82E5C71A