The molecule is a 2-amino-Delta(2)-thiazoline-4-carboxylic acid zwitterion that has R-configuration. The major species at pH 7.3. It is an enantiomer of a D-2-amino-Delta(2)-thiazoline-4-carboxylic acid zwitterion. It is a tautomer of a L-2-amino-Delta(2)-thiazoline-4-carboxylic acid.
(4R)-2-amino-4,5-dihydro-1,3-thiazol-3-ium-4-carboxylate