英文别名
4-Methyl-3-oxo-2,3-dihydro-1H-pyrazolo[3,4-b]pyridin-5-carbonsaeure-aethylester;3-Oxo-4-methyl-2,3-dihydro-1H-pyrazolo<3,4-b>pyridin-carbonsaeure-(5)-aethylester;Ethyl 4-methyl-3-oxo-2,3-dihydropyrazolo[3,4-b]pyridine-5-carboxylate;ethyl 4-methyl-3-oxo-1,2-dihydropyrazolo[3,4-b]pyridine-5-carboxylate