89720-60-5 4h-1-benzopyran-4-one,2,3-dihydro-2-(2-naphthalenyl)-3-(2-naphthalenylmethylene)-6-nitro-

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Product Name	4H-1-Benzopyran-4-one,2,3-dihydro-2-(2-naphthalenyl)-3-(2-naphthalenylmethylene)-6-nitro-
CAS No.	89720-60-5
Molecular Formula	C₃₀H₁₉NO₄

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