InChI=1/C20H19ClN4O/c1-13-19(16-4-2-3-5-17(16)23-13)14-8-10-25(11-9-14)20(26)24-15-6-7-18(21)22-12-15/h2-8,12,23H,9-11H2,1H3,(H,24,26)/f/h24H 8AACAB4D59ED6F78