InChI=1/C16H28N4O/c1-13-14(11-19-20-13)7-6-10-18-15(21)16(12-17)8-4-2-3-5-9-16/h11H,2-10,12,17H2,1H3,(H,18,21)(H,19,20)/p+1/fC16H29N4O/h17-18,20H/q+1 58D2DBBA1C902974