{3-[1-ethyl-3-(2-nitro-phenyl)-4-oxo-cyclohex-2-enyl]-propyl}-carbamic acid tert-butyl ester

aspidospermidine

(+/-)-1-ethyl-2-cyclohexene-1-propanamine

(+/-)-1-ethyl-2-cyclohexene-1-propanol methanesulfonate

[3-(1-ethyl-cyclohex-2-enyl)-propyl]-carbamic acid tert-butyl ester