ChEBI: Eucommiol is an alicyclic compound that is cyclopent-3-en-1-ol carrying additional hydroxymethyl substituents at positions 3 and 4 as well as a 2-hydroxyethyl substituent at position 2 (the 1R,2R-diastereomer). It has a role as a sedative and a plant metabolite. It is a tetrol, a primary allylic alcohol and an alicyclic compound.