2-[4-(2-chloroethylcarbamoylamino)cyclohexyl]acetic acid

1-(2-chloroethyl)-3-heptan-2-ylurea

1-(2-chloroethyl)-3-pyridin-2-ylurea

1-(1,3-benzothiazol-2-yl)-3-(2-chloroethyl)urea

2-(2-chloroethylcarbamoyloxy)ethyl N-(2-chloroethyl)carbamate