InChI=1/C21H20N4O2/c1-13-8-9-18(14(2)10-13)25-20(11-15(3)23-25)22-21(26)12-17-16-6-4-5-7-19(16)27-24-17/h4-11H,12H2,1-3H3,(H,22,26)/f/h22H 9163B9D880CB3068