881386-12-5

6-??[4-??[(5-??Bromo-??1-??oxopentyl)??amino]??phenyl]??-??4,??5,??6,??7-??tetrahydro-??1-??(4-??methoxyphenyl)??-??7-??oxo-1H-??pyrazolo[3,??4-??c]??pyridine-??3-??carboxylic Acid?? Ethyl Ester can be useful in RP-??HPLC method development and validation for quantitative determination of potential impurities of apixaban.