The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-2-amino-3-oxobutanoic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate acid of a L-2-amino-3-oxobutanoate. It is a tautomer of a L-2-amino-3-oxobutanoic acid.
(2S)-2-azaniumyl-3-oxobutanoate