InChI=1/C18H36N4O2/c1-4-21-10-12-22(13-11-21)15-16(2)14-20-18(24)8-6-5-7-9-19-17(3)23/h16H,4-15H2,1-3H3,(H,19,23)(H,20,24)/p+1/t16-/m1/s1/fC18H37N4O2/h19-21H/q+1 3F9880E9E88B644A