InChI=1/C18H30N2O/c1-4-15-9-11-20(12-10-15)18(2,14-19)13-16-5-7-17(21-3)8-6-16/h5-8,15H,4,9-14,19H2,1-3H3/p+2/t18-/m1/s1/fC18H32N2O/h19-20H/q+2 F90001D917D45E20