https://www.selleckchem.com/pr....oducts/BAY-73-4506.h
BMS-986142 has been developed as an innovative Bruton's tyrosine kinase inhibitor for treatment of several autoimmune diseases. The drug substance of BMS-986142 may contain three potential atropisomeric impurities due to its unique structural characteristics. Developing a single liquid chromatography (LC) method to separate all four highly structurally related atropisomers and other process impurities from each other turned out to be a daunting task. Two-dimensional LC (2DLC) was found to be an extremely powerful enabling technology
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