149-17-7 4-Pyridinecarboxylic acid, [(4-hydroxy-3-methoxyphenyl)methylene]hydrazide Ftivazid Ftivazide Isonicotinic acid vanillylidenehydrazide Isonicotinic acid, vanillylidenehydrazide NSC31725 Phthivazid Phthivazide Vanicid Vanillaberon Vanizide