InChI=1/C21H20N4O/c1-14-6-8-16(9-7-14)21(26)24-11-10-23-20-18(13-22)12-17-5-3-4-15(2)19(17)25-20/h3-9,12H,10-11H2,1-2H3,(H,23,25)(H,24,26)/f/h23-24H 3C9B723AF450EE85