InChI=1/C21H24N4O2/c1-25(2)19-13-16(11-12-22-19)14-23-20(26)9-6-10-21-24-15-18(27-21)17-7-4-3-5-8-17/h3-5,7-8,11-13,15H,6,9-10,14H2,1-2H3,(H,23,26)/f/h23H 5F009F6B97EAFBC8