ethyl 1-(2-chloroethylcarbamoylamino)-2-methylcyclohexane-1-carboxylate

1-(2-chloroethyl)-3-cyclohex-2-en-1-ylurea

1-(2-chloroethyl)-3-(2,3,4,5,6,7-hexahydro-1H-tricyclo[2.2.1.0^2,6]heptan-3-yl)urea

1-(2-chloroethyl)-3-(4,4-dimethylcyclohexyl)urea

1-(2-adamantyl)-3-(2-chloroethyl)urea