The molecule is the anion obtained by removal of a proton from the carboxylic acid group of cerivastatin. It is a conjugate base of a cerivastatin.
(E,3R,5S)-7-[4-(4-fluorophenyl)-5-(methoxymethyl)-2,6-di(propan-2-yl)pyridin-3-yl]-3,5-dihydroxyhept-6-enoate