as important aspects emerged related to the management of the caliphate and how it was transferred, and the clarification of the political trends and transformations at the end of their lives. In addition, how the Rightly Guided
Atorvastatin calcium (ATR) is an antihyperlipidemic agent used for lowering blood cholesterol levels. However, it is very slightly soluble in water with poor oral bioavailability, which interferes with its therapeutic action. It is classified as a class II drug according to Biopharmaceutical Classification System (low solubility and high permeability).