57443-89-7 butanoic acid, 3-oxo-2-[(4-oxo-4h-1-benzopyran-3-yl)methylene]-, ethylester

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Product Name	Butanoic acid, 3-oxo-2-[(4-oxo-4H-1-benzopyran-3-yl)methylene]-, ethylester
CAS No.	57443-89-7
Molecular Formula	C₁₆H₁₄O₅

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