(E)-ethyl 6-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydroisobenzofuran-5-yl)-4-methylhex-4-enoate,(E)-Ethyl 6-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydroisobenzofuran-5-yl)-4-methylhex-4-enoate,Mycophenolate Mofetil Ethyl Ester is an intermediate for the synthesis of mycophenolic acid. A metabolite of mycophenolic acid,Mycophenolate Mofetil