in this report , three common sialic acids , n-acetylneuraminic acid ( neuac ) , n-glycollylneuraminic acid ( neugc ) , and 9-o-acetyl-n-acetylneuraminic acid ( 9-o-ac-neuac ) were compared for their ability to mediate attachment of influenza a , b , and c viruses to cells .
C0037025
sialic acids
C0067762
n-acetylneuraminic acid