methyl 4-oxo-5-phenylselanylpentanoate

(1-cyclohexyl-2-phenylselanylethyl)cyanamide

[2-cyclohexyl-2-(phenylseleno)ethyl]cyanamide

6-phenylselanylcyclohex-2-en-1-one

1,1-bis(phenylselanyl)propan-2-one