methyl 4-(3-oxocyclohexyl)but-2-enoate

6-phenylselanylcyclohex-2-en-1-one

2-(1-hydroxy-2-phenylethyl)cyclohex-2-en-1-one

3-butylcyclohex-2-en-1-ol

2-(phenylsulfanylmethyl)cyclohex-2-en-1-ol