InChI=1/C16H24N4O/c1-2-10-20(11-4-9-18-19-17)14-7-8-15-13(12-14)5-3-6-16(15)21/h3,5-6,14,21H,2,4,7-12H2,1H3/p+1/t14-/m0/s1/fC16H25N4O/h20H/q+1 D9CD21C468EA507C