InChI=1/C20H18Cl2N2O/c21-19-5-4-17(11-20(19)22)14-25-18-3-1-2-16(10-18)13-24-12-15-6-8-23-9-7-15/h1-11,24H,12-14H2/p+1/fC20H19Cl2N2O/h24H/q+1 521640312208FB42