Thiochromanes

Tertatolol (Artex, Artexal, Prenalex) is a medication in the class of beta blockers, used in the treatment of high blood pressure. It was discovered by the French pharmaceutical company Servier and is marketed in Europe.

Difethialone is an vitamin K antagonist anticoagulant used as a rodenticide. It is considered a second generation agent.

Hydroxytertatolol is a beta blocker. It is a derivative of tertatolol.