InChI=1/C16H28N4O/c1-4-13(5-2)16(21)20-10-7-6-9-18-15-14(17)12(3)8-11-19-15/h8,11,13H,4-7,9-10,17H2,1-3H3,(H,18,19)(H,20,21)/p+1/fC16H29N4O/h18-20H/q+1 B73BAA24F2B84F55