InChI=1/C18H36N4O/c1-4-9-21-10-5-16(6-11-21)19-18(23)20-17-7-12-22(13-8-17)14-15(2)3/h15-17H,4-14H2,1-3H3,(H2,19,20,23)/p+2/fC18H38N4O/h19-22H/q+2 ED2423AB02CE50FA