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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Chemical structure of main monoterpenes and sesquiterpenes present in Eucalyptus essential oils for medicinal use. The green box indicates constituents present in natural medicines with Myrtol® standardized.