InChI=1/C18H34N4O/c1-18(2,22-10-4-3-5-11-22)14-19-17(23)20-15-8-12-21(13-9-15)16-6-7-16/h15-16H,3-14H2,1-2H3,(H2,19,20,23)/p+2/fC18H36N4O/h19-22H/q+2 A5374B66B917BE8C