InChI=1/C16H26N4O/c1-11(2)10-21-16-14(17)5-6-15(19-16)18-12-7-8-20(9-12)13-3-4-13/h5-6,11-13H,3-4,7-10,17H2,1-2H3,(H,18,19)/p+1/t12-/m1/s1/fC16H27N4O/h18,20H/q+1 99805F6BCED7CFE8