InChI=1/C15H28N4O3/c1-14(2,3)11(20)18-7-9-19(10-8-18)12(21)15(4,5)17-13(22)16-6/h7-10H2,1-6H3,(H2,16,17,22)/f/h16-17H 212CAE9E532951E7