1-(2-chlorophenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide ; Apixaban Ortho Chloro Impurity.1-(4-Chlorophenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1Hpyrazolo[3,4-c] pyridine-3-carboxamide