The molecule is an amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 2-amino-2-deoxy-D-gluconic acid; major species at pH 7.3. It is a conjugate acid of a 2-amino-2-deoxy-D-gluconate. It is a tautomer of a 2-amino-2-deoxy-D-gluconic acid.
(2R,3R,4S,5R)-2-azaniumyl-3,4,5,6-tetrahydroxyhexanoate