InChI=1/C16H24N4O3/c1-10-13(15(22)19-16(23)17-10)4-5-14(21)18-11-6-8-20(9-7-11)12-2-3-12/h11-12H,2-9H2,1H3,(H,18,21)(H2,17,19,22,23)/p+1/fC16H25N4O3/h17-20H/q+1 D7CBD0A50FDA730E