InChI=1/C14H22N4O2/c1-14(2)9-18(7-8-20-14)13-16-11-4-6-15-5-3-10(11)12(19)17-13/h15H,3-9H2,1-2H3,(H,16,17,19)/f/h15H D348C4A31D092837