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Formulas which begin with C₆H₄O₂^-

All formulas are in Hill order.

• C₆H₄O₂^- (m-benzoquinone radical anion)
• C₆H₄O₂^- (p-Benzoquinone anion)
• C₆H₄O₂^- (o-benzoquinone radical anion)

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