InChI=1/C16H24N4O3/c1-16(2,19-10-4-3-5-11-19)12-17-15(21)18-13-6-8-14(9-7-13)20(22)23/h6-9H,3-5,10-12H2,1-2H3,(H2,17,18,21)/p+1/fC16H25N4O3/h17-19H/q+1 3208B2A948C9CC62