InChI=1/C15H26N4O3/c1-2-13(20)19-10-6-5-9-12(19)14(21)17-18-15(22)16-11-7-3-4-8-11/h11-12H,2-10H2,1H3,(H,17,21)(H2,16,18,22)/t12-/m1/s1/f/h16-18H 9EDF05DF3D94F508