InChI=1/C16H28N4O/c1-4-13(5-2)16(21)19-9-7-6-8-18-15-12(3)10-14(17)11-20-15/h10-11,13H,4-9,17H2,1-3H3,(H,18,20)(H,19,21)/p+1/fC16H29N4O/h18-20H/q+1 C7D60999D6B33860