英文同义词
1-(Carboxymethyl)pyridinium chloride, (p-phenylenedimethylidyne)dihydrazide;Pyridinium, 1-(carboxymethyl)-, chloride, (p-phenylenedimethylidyne)dihydrazide;Pyridinium, 1,1′-[1,4-phenylenebis[methylidyne-1-hydrazinyl-2-ylidene(2-oxo-2,1-ethanediyl)]]bis-, dichloride