InChI=1/C16H32N4O2/c1-3-5-6-10-18-16(22)19-14-7-11-20(12-8-14)13-15(21)17-9-4-2/h14H,3-13H2,1-2H3,(H,17,21)(H2,18,19,22)/p+1/fC16H33N4O2/h17-20H/q+1 F73E8E5665929D3D