Apixaban Impurity 22

6-[4-[(5-Chloro-1-oxopentyl)amino]phenyl]-4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-7-oxo-1H-pyrazolo[3,4-c]pyridine-3-carboxamide is a derivative of Apixaban, a novel anticoagulant drug.