InChI=1/C16H30N4O/c1-6-10-18-16(5,15(17)21)9-7-8-11-20-14(4)12(2)13(3)19-20/h18H,6-11H2,1-5H3,(H2,17,21)/p+1/t16-/m1/s1/fC16H31N4O/h18H,17H2/q+1 283CA2E045E58C9C