InChI=1/C15H28N4O/c1-4-6-15(11-16,7-5-2)14(20)18-13(3)10-19-9-8-17-12-19/h8-9,12-13H,4-7,10-11,16H2,1-3H3,(H,18,20)/p+2/t13-/m0/s1/fC15H30N4O/h16-18H/q+2 EA8B2B39E31EBF8E