N,3-dicyclohexyl-1,2,4-oxadiazol-5-amine

3-(4-chlorobenzyl)-N-cyclohexyl-1,2,4-oxadiazol-5-amine

O-(2-Acetylhydrazonophenylacetyl)-N,N'-dicyclohexylisourea

O-(2-Benzoylhydrazonopropionyl)-N,N'-dicyclohexylisourea

1,2,3-tricyclohexylguanidine