50743-39-0 4h-1-benzopyran-6-carboxylic acid, 3-cyano-4-oxo-, ethyl ester

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Product Name	4H-1-Benzopyran-6-carboxylic acid, 3-cyano-4-oxo-, ethyl ester
CAS No.	50743-39-0
Molecular Formula	C₁₃H₉NO₄

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