InChI=1/C21H26N4O/c26-20(24-21-10-15-7-16(11-21)9-17(8-15)12-21)23-13-18-3-1-2-4-19(18)25-6-5-22-14-25/h1-6,14-17H,7-13H2,(H2,23,24,26)/f/h23-24H 9F3FF1E97F3A6C36