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57443-91-1 2,4-pentanedione, 3-[(4-oxo-4h-1-benzopyran-3-yl)methylene]-

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Product Name 2,4-Pentanedione, 3-[(4-oxo-4H-1-benzopyran-3-yl)methylene]-
CAS No. 57443-91-1
Molecular Formula C15H12O4