InChI=1/C15H30N4O2/c1-12(2)19(3)11-7-6-10-17-14(20)15(13(16)18-21)8-4-5-9-15/h12,21H,4-11H2,1-3H3,(H2,16,18)(H,17,20)/p+1/fC15H31N4O2/h17,19H,16H2/q+1/b18-13- A1C513C541FE593E