C9H6O4

{{DISPLAYTITLE:C₉H₆O₄}}

The molecular formula C₉H₆O₄ (molar mass: 178.14 g/mol, exact mass 178.026609 u) may refer to:

• Aesculetin, a coumarin
• Daphnetin, a coumarin
• Ninhydrin (2,2-dihydroxyindane-1,3-dione)

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Category:Molecular formulas