1-(4-Methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4，5，6，7-tetrahydro-1H-pyrazolo[3，4-c]pyridine-3-carboxylic acid

1-(4-Methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4，5，6，7-tetrahydro-1H-pyrazolo[3，4-c]pyridine-3-carboxylic acid