InChI=1/C13H24N4O2/c14-11(18)10-16-6-3-7-17(9-8-16)12(19)13(15)4-1-2-5-13/h1-10,15H2,(H2,14,18)/p+2/fC13H26N4O2/h15-16H,14H2/q+2 5D08A51CDF73B7F3