InChI=1/C16H28N4O/c1-3-11-21-16-14(17)5-6-15(19-16)18-12-13-7-9-20(4-2)10-8-13/h5-6,13H,3-4,7-12,17H2,1-2H3,(H,18,19)/p+1/fC16H29N4O/h18,20H/q+1 E7C9CF02377F2628