alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminide(1-)
alpha-n-acetylneuraminyl-(2->3)-beta-d-galactosyl-(1->4)-n-acetyl-beta-d-glucosaminide(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-β-<small>D</small>-glucosaminide; major species ar pH 7.3.