The molecule is an alpha,beta-unsaturated monocarboxylic acid that is 3-methylbut-2-enoic acid in which the hydrogen at position 2 has been replaced by a hydroxy group. It is an alpha,beta-unsaturated monocarboxylic acid and a 2-hydroxy monocarboxylic acid. It derives from a 3-methylbut-2-enoic acid. It is a tautomer of a 3-methyl-2-oxobutanoic acid.
2-hydroxy-3-methylbut-2-enoic acid