InChI=1/C21H24N4O/c1-15-9-8-12-17(13-15)25-19(14-18(24-25)21(2,3)4)23-20(26)22-16-10-6-5-7-11-16/h5-14H,1-4H3,(H2,22,23,26)/f/h22-23H 9E17C00DE1C0B8FD