4,4'-Spirobi[4H-1-benzopyran]-2,2'(3H,3'H)-dione   Product ID: AC-2066883 Product Name: 4,4'-Spirobi[4H-1-benzopyran]-2,2'(3H,3'H)-dione CAS: 5738-25-0 Molecular Formula: C17H12O4 MW: 280.27478 Appearance: Assay: Hazard Symbols: N/A Request For Quotation Email:sales@abichem.com

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