Methyl Eugenol-13C,d3 is a carbon-13 and deuterium-labeled form of Methyl Eugenol. It is a phenylpropanoid compound that can be found in the leaves, fruits, stems, and/or roots of plants. This compound is released when these parts of the plant are damaged by herbivores. Methyl Eugenol is also utilized for controlling male oriental fruit flies.