InChI=1/C18H36N2O/c1-5-6-16-13-18(14-19,9-12-21-16)20-10-7-15(8-11-20)17(2,3)4/h15-16H,5-14,19H2,1-4H3/p+2/t16-,18+/m0/s1/fC18H38N2O/h19-20H/q+2 7EF81C0047F3E23A