107044-91-7 4-(3-Methyl-5-oxo-4-pyrazolidenemethyl)phenoxyacetic acid 2-hydroxybenzylidenehydrazide Acetic acid, (p-((3-methyl-5-oxo-2-pyrazolin-4-ylidene)methyl)phenoxy)-, (2-hydroxybenzylidene)hydrazide BRN 5637167