Pregna-4,9(11),16-trien-20-yn-3-one   Product ID: AC-1071605 Product Name: Pregna-4,9(11),16-trien-20-yn-3-one CAS: 139501-08-9 Molecular Formula: C21H24O MW: 292.41466 Appearance: Assay: Hazard Symbols: N/A Request For Quotation Email:sales@abichem.com

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