98021-39-7

6-oxo-1,6-dihydropyridazine-3-carbohydrazide 1,6-dihydro-3-hydrozinecarbonyl-6-pyridazinone 6-Oxo-1,6-dihydro-pyridazine-3-carboxylic acid hydrazide 3-Pyridazinecarboxylic acid, 1,6-dihydro-6-oxo-, hydrazide 3-Pyridazinecarboxylicacid,1,6-dihydro-6-oxo-,hydrazide(6CI,9CI)