2-({6-[(2S)-2-amino-2-carboxyethoxy]-5-acetamido-3,4-dihydroxyoxan-2-yl}methoxy)-5-acetamido-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid

2-acetamido-6-o-(a-2-n-acetylneuraminyl)-2-deoxy-a-d-galactopyranosyl serine ; serinyl 2-acetamido-2-deoxy-6-o-(α-2-n-acetylnuraminyl)-α-d-galactopyranosyl ; l-serine,o-[2-(acetylamino)-6-o-(n-acetyl-a-neuraminosyl)-2-deoxy-a-d-galactopyranosyl]- ; o-[2-(acetylamino)-6-o-(n-acetyl-α-neuraminosyl)-2-deoxy-α-d-galactopyranosyl]-l-serine ; 3-o-(2-acetamido-6-o-(n-acetylneuraminyl)-2-deoxygalactosyl)serine ; 6-o-α-sialyl-2-acetamido-2-deoxy-α-d-galactopyranosyl-1-o-l-serine