178808-74-7 4h-1-benzopyran-4-one,2,3-dihydro-3-[(4-oxo-4h-1-benzopyran-3-yl)methylene]-

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Product Name	4H-1-Benzopyran-4-one,2,3-dihydro-3-[(4-oxo-4H-1-benzopyran-3-yl)methylene]-
CAS No.	178808-74-7
Molecular Formula	C₁₉H₁₂O₄

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