ethyl 1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
1-(4-méthoxyphenyl)-6-(4-nitrophényl)-7-oxo-4,5,6,7-tétrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate d’éthyle