Simvastatin is a member of the class of hexahydronaphthalenes that is lovastatin in which the 2-methylbutyrate ester moiety has been replaced by a 2,2-dimethylbutyrate ester group. It is used as a cholesterol-lowering and anti-cardiovascular disease drug. It has a role as an EC 3.4.24.83 (anthrax lethal factor endopeptidase) inhibitor, a prodrug, an EC 1.1.1.34/EC 1.1.1.88 (hydroxymethylglutaryl-CoA reductase) inhibitor, a ferroptosis inducer and a geroprotector. It is a delta-lactone, a fatty acid ester, a statin (semi-synthetic) and a member of hexahydronaphthalenes. It is functionally related to a lovastatin.