InChI=1/C20H24N4O2/c1-15-5-3-8-18(13-15)23-9-11-24(12-10-23)20(26)22-17-7-4-6-16(14-17)19(25)21-2/h3-8,13-14H,9-12H2,1-2H3,(H,21,25)(H,22,26)/f/h21-22H CFEE2624AD2E9B4E