1-cyclohexyl-3-phenylurea

methyl 3-(cyclohexylcarbamoylsulfanyl)propanoate

1-cyclohexyl-3-(4-methylphenyl)urea

[1-(cyclohexylcarbamoyloxymethyl)-8-methoxy-3-methyl-5,6-dihydropyrrolo[2,1-a]isoquinolin-2-yl]methyl N-cyclohexylcarbamate

[1-(cyclohexylcarbamoyloxymethyl)-3-methyl-5,6-dihydropyrrolo[2,1-a]isoquinolin-2-yl]methyl N-cyclohexylcarbamate