N-acetyl-alpha-neuraminyl-(2->8)-N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl group(2-)
n-acetyl-alpha-neuraminyl-(2->8)-n-acetyl-alpha-neuraminyl-(2->3)-beta-d-galactosyl group(2-)
An organic anionic group obtained by deprotonation of the carboxy groups of <em>N</em>-acetyl-α-neuraminyl-(2→8)-<em>N</em>-acetyl-α-neuraminyl-(2→3)-β-<small>D</small>-galactosyl group; major species at pH 7.3.