InChI=1/C13H24N4O3/c1-9(2)14-13(20)16-12(19)8-17-6-4-11(5-7-17)15-10(3)18/h9,11H,4-8H2,1-3H3,(H,15,18)(H2,14,16,19,20)/p+1/fC13H25N4O3/h14-17H/q+1 7E8C0C16FE6BF461