3-Furancarboxylic acid, 2-methyl-, 2-[(3Z)-5-bromo-1,2-dihydro-2-oxo-3H-indol-3-ylidene]hydrazide;N'-[(3Z)-5-Bromo-2-oxo-1,2-dihydro-3H-indol-3-ylidene]-2-methyl-3-furohydrazide
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