InChI=1/C18H36N4O2/c1-4-18(24,5-2)14-19-17(23)20-15-6-12-22(13-7-15)16-8-10-21(3)11-9-16/h15-16,24H,4-14H2,1-3H3,(H2,19,20,23)/p+2/fC18H38N4O2/h19-22H/q+2 1A7A816CAE7D7002