50743-36-7 4h-1-benzopyran-3-carbonitrile, 6-nitro-4-oxo-

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Product Name	4H-1-Benzopyran-3-carbonitrile, 6-nitro-4-oxo-
CAS No.	50743-36-7
Molecular Formula	C₁₀H₄N₂O₄

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