osimertinib mesylate and its Impurities

Osimertinib Mesylate is used to treat locally advanced or metastatic non-small-cell lung cancer. It is a third-generation epidermal growth factor receptor tyrosine kinase inhibitor.Reference standards of Osimertinib Mesylate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.