eugenol herbal essential oil molecule. present in cloves, nutmeg, etc. skeletal formula.

eugenol herbal essential oil molecule present cloves nutmeg etc skeletal formula eugenole phenylpropene phenylpropanoid clove cinnamon basil perfume fragrance antiseptic anaesthetic dentistry dentist tooth eugenic caryophyllic allylguaiacol allergy allergen allergic contact skin sensitiser sensitizer sensitisation sensitization patch test dermatology dermatologist hydrogen carbon oxygen balsam peru atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon