alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-[alpha-N-acetylneuraminosyl-(2->6)]-N-acetyl-beta-D-galactosaminide(2-)
alpha-n-acetylneuraminosyl-(2->3)-beta-d-galactosyl-(1->3)-[alpha-n-acetylneuraminosyl-(2->6)]-n-acetyl-beta-d-galactosaminide(2-)
A carbohydrate acid derivative anion obtained by deprotonation of the carboxy groups of any α-<em>N</em>-acetylneuraminosyl-(2→3)-β-<small>D</small>-galactosyl-(1→3)-[α-<em>N</em>-acetylneuraminosyl-(2→6)]-<em>N</em>-acetyl-β-<small>D</small>-galactosaminide; major species ar pH 7.3.