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84289-39-4 4h-1-benzopyran-4-one, 2,3-dihydro-3-(2-naphthalenylmethylene)-

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Product Name 4H-1-Benzopyran-4-one, 2,3-dihydro-3-(2-naphthalenylmethylene)-
CAS No. 84289-39-4
Molecular Formula C20H14O2