InChI=1/C16H28N4O/c1-11(2)8-13(10-20(4)5)19-15-9-12(17)6-7-14(15)16(21)18-3/h6-7,9,11,13,19H,8,10,17H2,1-5H3,(H,18,21)/p+1/t13-/m0/s1/fC16H29N4O/h18,20H/q+1 1B0A5CE56E0F00BC