has role is protonated form of pyridines cardiovascular drug cerivastatin CHEBI:3558 (3<i>R</i>,5<i>S</i>)-3,5-dihydroxyhept-6-enoic acid in which the (7<i>E</i>)-hydrogen is substituted by a 4-(4-fluorophenyl)-2,6-diisopropyl-5-(methoxymethyl)pyridin-3-yl group. Formerly used (as its sodium salt) to lower cholesterol and prevent cardiovascular disease, it was withdrawn from the market worldwide in 2001 following reports of a severe form of muscle toxicity. dihydroxy monocarboxylic acid cerivastatin(1-) statin (synthetic)