Rosuvastatin Related Compound A (25 mg) (Calcium (3R,5S,E)-7-{4-(4-fluorophenyl)-2-[(2-hydroxy-N,2-dimethylpropyl)sulfonamide]-6-isopropylpyrimidin-5-yl}-3,5-dihydroxyhept-6-enoate salt (1:2)).