The molecule is a D-alanine derivative in which one of the methyl hydrogens of D-alanine has been replaced by an acetyl group. It is a 2-amino-4-oxopentanoic acid and a D-alanine derivative. It is a tautomer of a (R)-2-amino-4-oxopentanoic acid zwitterion.
(2R)-2-amino-4-oxopentanoic acid