InChI=1/C16H27N5/c1-4-12(5-2)14-11-16-19-13(6-3)10-15(21(16)20-14)18-9-7-8-17/h10-12,18H,4-9,17H2,1-3H3/p+1/fC16H28N5/h17H/q+1 23E7BA2E87DB4551