英文别名
7-methylsulfanyl-4-oxo-1,2,3,4-tetrahydro-pyrimido[4,5-c]pyridazine-3-carboxylic acid amide;1,2-Dihydro-4-hydroxy-7-(methylthio)pyrimido[4,5-c]pyridazine-3-carboxamide;4-hydroxy-7-methylsulfanyl-1,2-dihydropyrimido[4,5-c]pyridazine-3-carboxamide