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39779-45-8 2h-1-benzopyran-2,4(3h)-dione,3-[(2-hydroxy-1-naphthalenyl)methylene]-

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Product Name 2H-1-Benzopyran-2,4(3H)-dione,3-[(2-hydroxy-1-naphthalenyl)methylene]-
CAS No. 39779-45-8
Molecular Formula C20H12O4