(E/Z)-2-Propyl-2,4-pentadienoic Acid Methyl Ester-d3 is the isotope labelled analog of (E/Z)-2-Propyl-2,4-pentadienoic Acid Methyl Ester (P838420); the methyl ester derivative of (E,Z)-2-Propyl-2,4-pentadienoic Acid (P838290) which is a metabolite of Valproic Acid (V094750).