InChI=1/C20H22Cl2N4O/c21-17-4-3-5-18(19(17)22)26-14-12-25(13-15-26)11-2-1-8-24-20(27)16-6-9-23-10-7-16/h1-7,9-10H,8,11-15H2,(H,24,27)/b2-1+/f/h24H 21C4270BAC336E10