InChI=1/C21H18N4O/c1-2-9-18(26)23-21-17(14-22)19(15-10-5-3-6-11-15)24-20(25-21)16-12-7-4-8-13-16/h3-8,10-13H,2,9H2,1H3,(H,23,24,25,26)/f/h23H 8EED339B6194B794