The molecule is an amido trisaccharide fragment which mimicks the terminus of the O-polysaccharide of Vibrio cholerae O:1, serotype Ogawa. It derives from an alpha-D-mannose.
(2S)-N-[(2R,3S,4S,5S,6S)-5-[(2R,3S,4S,5S,6R)-5-[[(2S)-2,4-dihydroxybutanoyl]amino]-3-[(2R,3S,4S,5S,6R)-5-[[(2S)-2,4-dihydroxybutanoyl]amino]-4-hydroxy-3-methoxy-6-methyloxan-2-yl]oxy-4-hydroxy-6-methyloxan-2-yl]oxy-4,6-dihydroxy-2-methyloxan-3-yl]-2,4-dihydroxybutanamide