N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl group(1-)
n-acetyl-alpha-neuraminyl-(2->3)-beta-d-galactosyl group(1-)
An organic anionic group obtained by deprotonation of the carboxy group of <em>N</em>-acetyl-α-neuraminyl-(2→3)-β-<small>D</small>-galactosyl group; major species at pH 7.3.