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90120-65-3 4h-1-benzopyran-8-carboxylic acid, 2-(2-ethylphenyl)-3-methyl-4-oxo-,ethyl ester

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Product Name 4H-1-Benzopyran-8-carboxylic acid, 2-(2-ethylphenyl)-3-methyl-4-oxo-,ethyl ester
CAS No. 90120-65-3
Molecular Formula C21H20O4