Ketobutyric acid

Ketobutyric acid, ketobutanoic acid, oxobutyric acid, or oxobutanoic acid may refer to the following chemical compounds:

• α-Ketobutyric acid (2-oxobutyric acid)
• β-Ketobutyric acid (acetoacetic acid or 3-oxobutyric acid)

In addition, oxobutyric acid, or oxobutanoic acid may refer to:

• 4-Oxobutanoic acid (succinic semialdehyde, 4-oxobutyric acid)