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90102-13-9 4h-1-benzopyran-8-carboxylic acid,3-methyl-2-(2-methylphenyl)-4-oxo-, ethyl ester

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Product Name 4H-1-Benzopyran-8-carboxylic acid,3-methyl-2-(2-methylphenyl)-4-oxo-, ethyl ester
CAS No. 90102-13-9
Molecular Formula C20H18O4