3-Methylbutanoic acid instance of type of chemical entity
3-Methylbutanoic acid, also known as β-methylbutyric acid or more commonly isovaleric acid, is a branched-chain alkyl carboxylic acid with the chemical formula (CH3)2CHCH2CO2H.  It is classified as a short-chain fatty acid. Like other low-molecular-weight carboxylic acids, it has an unpleasant odor.  The compound occurs naturally and can be found in many foods, such as cheese, soy milk, and apple juice.Salts and esters
An isovalerate or 3-methylbutanoate ion is (CH3)2CHCH2COO−, the conjugate base of the acid. It is the form found in biological systems at physiological pH. An isovalerate or 3-methylbutanoate compound is a salt or ester of the acid.
type of example of manifestation of representation of