S-(+)-Arundic Acid Methyl Ester-d3 is an isotope analog of S-(+)-Arundic Acid Methyl Ester. S-(+)-Arundic Acid Methyl Ester is a derivative of S-(+)-Arundic acid. S-(+)-Arundic acid (A779510) is an astrocyte modulating agent, in acute ischemic stroke. A therapeutic agent for the treatment of neurodegenerative diseases including Alzheimer's disease and Parkinson’s disease.