InChI=1/C13H26N4O2/c14-8-5-9-17(10-12(18)16-13(15)19)11-6-3-1-2-4-7-11/h11H,1-10,14H2,(H3,15,16,18,19)/p+1/fC13H27N4O2/h14,16H,15H2/q+1 2A7E44B8CE135F22