257882-69-2 1h-2-benzopyran-1-one, 3,4-dihydro-3-(4-nitrophenyl)-

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Product Name	1H-2-Benzopyran-1-one, 3,4-dihydro-3-(4-nitrophenyl)-
CAS No.	257882-69-2
Molecular Formula	C₁₅H₁₁NO₄

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