5-[(2E)-5-Carboxy-3-methyl-2-penten-1-yl]-1,3-dihydro-6-(methoxy-d3)-7-methyl-3-oxo-4-isobenzofuranyl β-D-Glucopyranosiduronic Acid; Mycophenolic Acid-d3 Glucosiduronate; Mycophenolic Acid-d3 Glucuronide;

A labeled metabolite of Mycophenolic Acid, an antibiotic produced by Penicillium brevi-compactum, P. Stoloniferum and related spp. A selective inhibitor of lymphocyte proliferation by blocking inosine monophosphate dehydrogenase, an enzyme involved in the de novo synthesis of purine nucleotides.