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Drug or Toxic Substance:
2-oxobutanoic acid
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Alpha-ketobutyric acid (also known as 2-oxobutanoic acid) is an organic acid that is naturally produced in the body as a byproduct of metabolism. It is also found in some foods, such as dairy products, and is used as a flavoring agent in some processed foods. Alpha-ketobutyric acid is toxic in high doses and can cause nausea, vomiting, abdominal pain, and diarrhea. It can also cause liver damage and kidney failure.

Associated brand names:
  ▸ Ketobut
  ▸ Ketobutyl
  ▸ Ketobutyrate
  ▸ Ketobutyrin
  ▸ Ketobutyrate-L
  ▸ Ketobutyrin-L

  • alpha-ketobutyric acid
  • cystathionine metabolite
  • threonine metabolite

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