InChI=1/C21H24N4O/c1-14-8-10-25(11-9-15-4-2-3-5-15)20(26)19(14)16-6-7-18-17(12-16)13-23-21(22)24-18/h6-8,10,12-13,15H,2-5,9,11H2,1H3,(H2,22,23,24)/f/h22H2 628591896C1DB000