. . . . . . . . . . "5-N-Acetyl-Alpha-D-Neuraminic Acid"@en . . "experimental"@en . . . . . . . . . . . . . . . . . . . . . "An N-acyl derivative of neuraminic acid. N-acetylneuraminic acid occurs in many polysaccharides, glycoproteins, and glycolipids in animals and bacteria. (From Dorland, 28th ed, p1518)"@en . . . .