InChI=1/C21H20N4O/c1-13-4-7-18(8-5-13)25-14(2)10-16(15(25)3)12-22-17-6-9-19-20(11-17)24-21(26)23-19/h4-12H,1-3H3,(H2,23,24,26)/f/h23-24H F097CA5B57FA2597