The molecule is n-Acetylneuraminic acid reduced across the 2,3-bond with loss of the hydroxy group at C-2 and in which the 9-hydroxy group is substituted by a glutaramido group. It has a role as a hapten. It is a member of N-acetylneuraminic acids, a secondary carboxamide and a member of acetamides.
(2R,3R,4S)-3-acetamido-2-[(1R,2R)-3-(4-carboxybutanoylamino)-1,2-dihydroxypropyl]-4-hydroxy-3,4-dihydro-2H-pyran-6-carboxylic acid