InChI=1/C20H16Cl2N4O/c21-14-7-4-8-15(22)19(14)26-17-9-10-18(25-16(17)12-24-20(26)27)23-11-13-5-2-1-3-6-13/h1-10H,11-12H2,(H,23,25)(H,24,27)/p+1/fC20H17Cl2N4O/h23-25H/q+1 109B9E96D555144C