InChI=1/C21H20N4O/c1-25(2)20-15(7-5-11-22-20)13-23-21(26)19-12-17-16-8-4-3-6-14(16)9-10-18(17)24-19/h3-12,24H,13H2,1-2H3,(H,23,26)/f/h23H E5F305EAA04E730E