InChI=1/C20H18Cl2N2O3/c21-14-8-15(22)10-16(9-14)24-19(25)12-27-20(26)7-3-4-13-11-23-18-6-2-1-5-17(13)18/h1-2,5-6,8-10H,3-4,7,11-12H2,(H,24,25)/p+1/fC20H19Cl2N2O3/h23-24H/q+1 0F22CEEF6E96816F