3-acetyl-2H-chromen-2-one-Pyrans| 毕得医药

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3-Acetyl-2H-chromen-2-one: BD136533949-36-898%; ￥40.01g

3-Acetyl-4-hydroxy-2H-chromen-2-one: BD835422555-37-595%; ￥775.01g

3-Acetyl-6-bromo-2H-chromen-2-one: BD135772199-93-198%; ￥130.01g

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