Vanillyl alcohol is derived from vanillin. It is used to flavor food. It has been used in trials studying the treatment of Smoking.

4-Methoxy-17-estradiol is one of the estrogen metabolites and a methylation metabolite of 4-hydroxyestradiol.

1-Phenylethanol has a nongenotoxic mode of action responsible for the lung and liver tumors observed in mice following 2 years of inhalation exposure to ethylbenzene.