InChI=1/C16H28N4O/c17-10-4-5-11-20-12-8-15(9-13-20)19-16(21)18-14-6-2-1-3-7-14/h14-15H,1-9,11-13H2,(H2,18,19,21)/p+1/fC16H29N4O/h18-20H/q+1 5EBDEED1C509B3E8