87967-76-8 4h-1-benzopyran-3-carboxaldehyde, 4-oxo-,3-[[(4-oxo-4h-1-benzopyran-3-yl)methylene]hydraz

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Product Name	4H-1-Benzopyran-3-carboxaldehyde, 4-oxo-,3-[[(4-oxo-4H-1-benzopyran-3-yl)methylene]hydrazone]
CAS No.	87967-76-8
Molecular Formula	C₂₀H₁₂N₂O₄

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