1-(4-chlorophenyl)-3-(1,3-thiazol-2-yl)urea

methyl 3-[(4-chlorophenyl)carbamoylsulfanyl]propanoate

1-(4-chlorophenyl)-3-(2,6-dimethylpyrimidin-4-yl)urea

1,3-bis(4-chlorophenyl)-1-nitrosourea

3-(4-chlorophenyl)-1-(4-methylphenyl)-1-nitrosourea