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0 0 H-C-C-CH2-COOH 3,4-dioxobutanoic acidWhy is this structure called "3,4 dioxobutanoic acid" when it has an aldehyde? Shouldn't it be called "4-formyl-3-oxobutanoic acid", since it has a ketone and aldehyde, rather than two ketones?

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H-C - C - CH2 - COOH Norme: 3,4 - dioxobutanoie acid Here for this nomenclature the numbering does play a rerucial role. -coo

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