Salmeterol EP Impurity E

Rosuvastatin EP Impurity C (Calcium Salt) ; Rosuvastatin 5-Oxo Calcium ; 5-Oxo-Rosuvastatin Calcium ; 3-Hydroxy-5-Keto Rosuvastatin Calcium ; (3R, 6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic acid calcium salt ;