InChI=1/C16H28N4O/c1-5-20(6-2)11-7-8-13(3)19-16(21)15-12-14(17-4)9-10-18-15/h9-10,12-13H,5-8,11H2,1-4H3,(H,17,18)(H,19,21)/p+2/t13-/m1/s1/fC16H30N4O/h17-20H/q+2 CF2BBC59D65CD01B