N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminide(1-)
n-acetyl-alpha-neuraminyl-(2->3)-beta-d-galactosyl-(1->3)-n-acetyl-alpha-d-galactosaminide(1-)
A carbohydrate acid derivative anion obtained by deprotonation of the carboxy group of any α-<em>N</em>-acetylneuraminyl-(2→3)-β-<small>D</small>-galactosyl-(1→4)-<em>N</em>-acetyl-α-<small>D</small>-galactosaminide; major species at pH 7.3.