InChI=1/C18H36N4/c19-17(7-3-1-4-8-17)15-21-11-13-22(14-12-21)16-18(20)9-5-2-6-10-18/h1-16,19-20H2/p+2/fC18H38N4/h19-20H/q+2 8BAEE9750F06BA0F