InChI=1/C20H24N4O2/c1-24-10-4-6-16-11-14(8-9-18(16)24)13-22-20(26)23-17-7-3-2-5-15(17)12-19(21)25/h2-3,5,7-9,11H,4,6,10,12-13H2,1H3,(H2,21,25)(H2,22,23,26)/f/h22-23H,21H2 1F3905C4E7447FE7