Enasidenib is a drug used in the treatment of acute myeloid leukemia. However, during the manufacturing process, impurities can be produced. These impurities can affect the quality, safety, and efficacy of the drug. Therefore, it is important to identify and control these impurities to ensure the drug's purity and effectiveness. Analytical methods are used to detect and quantify the impurities in Enasidenib.