InChI=1/C22H20N4O/c1-3-26-17-7-5-4-6-12(17)19-14-10-23-22(27)20(14)18-13(21(19)26)8-9-16-15(18)11-25(2)24-16/h4-7,11H,3,8-10H2,1-2H3,(H,23,27)/f/h23H A81C9CFAE74642A8