(((2-Hydroxy-3-methoxybenzylidene)hydrazino)carbonylmethylene)trimethylammonium chloride 6958-21-0 AMMONIUM, (((2-HYDROXY-3-METHOXYBENZYLIDENE)HYDRAZINO)CARBONYLMETHYLENE)TRIMETHY Ammonium, (((2-hydroxy-3-methoxybenzylidene)hydrazino)carbonylmethylene)trimethyl-, chloride NSC 64609 o-Vanillin, hydrazone with (carboxymethyl)-trimethylammonium chloride, hydrazide