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257905-21-8 2h-1-benzopyran-2-one,4-hydroxy-7-methyl-3-(1-oxo-3-phenyl-2-propenyl)-

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Product Name 2H-1-Benzopyran-2-one,4-hydroxy-7-methyl-3-(1-oxo-3-phenyl-2-propenyl)-
CAS No. 257905-21-8
Molecular Formula C19H14O4