InChI=1/C16H24N4O/c17-15(21)13-9-12-3-1-2-4-14(12)20-16(13)19-10-11-5-7-18-8-6-11/h9,11,18H,1-8,10H2,(H2,17,21)(H,19,20)/p+1/fC16H25N4O/h18-19H,17H2/q+1 52635B8F6FD78F5D