InChI=1/C21H24N4O2/c1-16-11-19(21(26)24-7-4-9-25-10-8-23-15-25)12-17(2)20(16)27-14-18-5-3-6-22-13-18/h3,5-6,8,10-13,15H,4,7,9,14H2,1-2H3,(H,24,26)/f/h24H 4F674432B92D5D4D