InChI=1/C20H19Cl2N3O3/c1-13-2-3-14(10-17(13)21)20-7-5-16(28-20)12-23-8-9-24-19-6-4-15(25(26)27)11-18(19)22/h2-7,10-11,23-24H,8-9,12H2,1H3/p+1/fC20H20Cl2N3O3/h23H/q+1 8F8C186CF4D71E8F