英文别名
1,5-dimethyl-3,6-dioxo-2,3,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid ethyl ester;Ethyl 2,3,6,7-tetrahydro-1,5-dimethyl-3,6-dioxo-1H-pyrazolo[3,4-b]pyridine-4-carboxylate;ethyl 1,5-dimethyl-3,6-dioxo-2,7-dihydropyrazolo[3,4-b]pyridine-4-carboxylate