Chemical Name: (3R,5S,6E)-7-[2-(2,N-dimethyl-2-hydroxypropane-1-sulfonamido)-4-(4-fluorophenyl)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid Sodium salt (as per EP) Sodium (3R,5S,E)-7-{4-(4-fluorophenyl)-2-[(2-hydroxy-N,2-dimethylpropyl)sulfonamide]-6-isopropylpyrimidin-5-yl}-3,5-dihydroxyhept-6-enoate salt (as per USP)