You know what it looks like… but what is it called?
TAKE THE QUIZ“ketoglutaric”
The following 2 entries include the term ketoglutaric.
alpha-ketoglutaric acid
noun: the alpha keto isomer of ketoglutaric acid formed in various metabolic processes (as the Krebs cycle)
ketoglutaric acid
noun: either of two crystalline keto derivatives C5H6O5 of glutaric acid
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Merriam-Webster unabridged