The molecule is an N-acyl-hexosamine that is the methyl alpha-glycoside of the terminal moiety, and presumed antigenic determinant, of the O-specific polysaccharide of Vibrio cholerae O:1, serotype Ogawa. It has a role as an epitope. It is a N-acyl-hexosamine and a methyl mannoside. It derives from an alpha-D-mannose.
(2S)-2,4-dihydroxy-N-[(2R,3S,4S,5S,6S)-4-hydroxy-5,6-dimethoxy-2-methyloxan-3-yl]butanamide