Mevinolinic acid is a polyketide obtained by hydrolysis of the pyranone ring of lovastatin. It has a role as an Aspergillus metabolite, an EC 1.1.1.34/EC 1.1.1.88 (hydroxymethylglutaryl-CoA reductase) inhibitor, a teratogenic agent and a drug metabolite. It is a carbobicyclic compound, a dihydroxy monocarboxylic acid, a polyketide and a fatty acid ester. It derives from a lovastatin and a (S)-2-methylbutyric acid. It is a conjugate acid of a mevinolinate.|Lovastatin Acid is the active, acid form of lovastatin. In the body lovastatin is hydrolysed to its beta-hydroxy acid active form.