Synonyms: Rosuvastatin Calcium Imp. C (EP), Rosuvastatin Imp. C (EP), 6-Heptenoic acid, 7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-, (3R,6E)-, 5-Oxorosuvastatin, Rosuvastatin Calcium Imp C (EP), Rosuvastatin Calcium Impurity C, Rosuvastatin Impurity C