cis-8,11,14-Eicosatrienoic Acid Methyl Ester-d3 is the isotope labelled analog of cis-8,11,14-Eicosatrienoic Acid Methyl Ester (E477925); the methyl ester derivative of cis-8,11,14-Eicosatrienoic Acid (E477930) which is a fatty acid with selective tumoricidal activity.