InChI=1/C16H26N4O/c1-16(2,3)20-8-6-19(7-9-20)11-13-5-4-12(15(18)21)10-14(13)17/h4-5,10H,6-9,11,17H2,1-3H3,(H2,18,21)/p+1/fC16H27N4O/h20H,18H2/q+1 4785AB8895B62EAD