InChI=1/C16H34N4O/c1-5-7-18-16(4,15(17)21)6-8-19-9-11-20(12-10-19)13-14(2)3/h14,18H,5-13H2,1-4H3,(H2,17,21)/p+2/t16-/m0/s1/fC16H36N4O/h18,20H,17H2/q+2 8891E50F738D8F2D