4H-1-Benzopyran-2-carboxylic acid, 8-methyl-7-nitro-4-oxo-, ethyl ester   Product ID: AC-1421451 Product Name: 4H-1-Benzopyran-2-carboxylic acid, 8-methyl-7-nitro-4-oxo-, ethyl ester CAS: 190730-43-9 Molecular Formula: C13H11NO6 MW: 277.22954 Appearance: Assay: Hazard Symbols: N/A Request For Quotation Email:sales@abichem.com

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