InChI=1/C18H34N4O/c1-14(2)13-21-9-5-15(6-10-21)19-18(23)20-16-7-11-22(12-8-16)17-3-4-17/h14-17H,3-13H2,1-2H3,(H2,19,20,23)/p+2/fC18H36N4O/h19-22H/q+2 9C6C89B8B9189F47