InChI=1/C21H18N4O/c1-2-9-18(26)23-21-24-19(15-10-5-3-6-11-15)17(14-22)20(25-21)16-12-7-4-8-13-16/h3-8,10-13H,2,9H2,1H3,(H,23,24,25,26)/f/h23H D60699818EC422EF