(2S,4S,5R,6R)-5-acetamido-2,4-dihydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid (2S,4S,5R,6R)-5-acetamido-2,4-dihydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]tetrahydropyran-2-carboxylic acid (2S,4S,5R,6R)-5-acetamido-2,4-dihydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]-2-tetrahydropyrancarboxylic acid N-Acetylneuraminic acid Escherichia coli O-SIALIC ACID (CHAIR CONFORMATION) A2388_SIGMA 5-N-ACETYL-BETA-D-NEURAMINIC ACID BETA-SIALIC ACID SLB Sialic acid analog A9646_SIGMA A0812_SIGMA AIDS-012200 NANA NAN sialic acid SI2 5-Acetamido-3,5-dideoxy-D-glycero-D-galactononulosonic acid ST5319377 AIDS012200 (−)-N-Acetylneuraminic acid 855650_ALDRICH Lactaminic acid