1-cyclohexyl-3-methylthiourea

S-methyl N-methylcarbamothioate

hexamethylenebis-(3-cyclohexylurea)

N,N'-二甲基亚硝基脲

3-cyclohexyl-1-[6-[cyclohexylcarbamoyl(nitroso)amino]hexyl]-1-nitrosourea