InChI=1/C21H18N4O/c1-14-4-2-5-17(12-14)24-21(26)23-16-10-8-15(9-11-16)18-6-3-7-20-19(18)13-22-25-20/h2-13H,1H3,(H,22,25)(H2,23,24,26)/f/h23-25H AC899032C5A36161