Diterpene Alcohol
Diterpene alcohols are a group of compounds classified together because of their similar chemical structure. Diterpene alcohols are found in eyebright and horehound, and other plants. Some examples of diterpene alcohols are marrubenol and marrubiol.
References
Leung, Albert Y. 1980. Encyclopedia of Common Natural Ingredient used in Food, Drugs and Cosmetics. John Wiley and Sons, N Y. 409 pp.
Stedman, Thomas Lathrop. Stedman's Medical Dictionary. 24th edition. Baltimore: Williams and Wilkins, 1982.