InChI=1/C20H22Cl2N4O/c21-15-4-5-18(22)17(11-15)19(27)14-25-9-7-24(8-10-25)12-16-13-26-6-2-1-3-20(26)23-16/h1-6,11,13,19,27H,7-10,12,14H2/p+1/t19-/m1/s1/fC20H23Cl2N4O/h23H/q+1 E83FA43CD62E16D3