InChI=1/C16H30N4/c1-3-5-6-13-7-9-14(10-8-13)16-15(12-17)18-19-20(16)11-4-2/h13-14H,3-12,17H2,1-2H3/p+1/fC16H31N4/h17H/q+1 B7693D2371EE99AE