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Formulas which begin with C₄H₄N^-

All formulas are in Hill order.

• C₄H₄N^- (1-CN-cyclopropanide anion)
• C₄H₄N^- (CH2=CHCHCN anion)
• C₄H₄N^- (pyrrolide anion)
• C₄H₄N^- (CH2=C(CN)CH2 anion)

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