英文同义词: | Acetamide, 2-cyano-2-[2-[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]hydrazinylidene]-;2-Amino-N-(4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl)-2-oxoacetohydrazonoyl Cyanide;(E)-2-amino-N-(4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl)-2-oxoacetohydrazonoyl cyanide;Levosimendan Impurity 52;Levosimendan Impurity 4 |