英文同义词: | methyl 1-(2-ethoxyethyl)-4,5,6,7-tetrahydro-5,7-dioxo-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylate;1H-Pyrazolo[4,3-d]pyrimidine-3-carboxylic acid, 1-(2-ethoxyethyl)-4,5,6,7-tetrahydro-5,7-dioxo-, methyl ester;methyl 1-(2-ethoxyethyl)-5,7-dioxo-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylate |