InChI=1/C20H20Cl2N2O/c21-17-6-3-5-16(19(17)22)20(25)8-10-24(11-9-20)13-14-12-23-18-7-2-1-4-15(14)18/h1-7,12,23,25H,8-11,13H2/p+1/fC20H21Cl2N2O/h24H/q+1 F719305F23BA4DE5