The molecule is a disaccharide phosphate consisting of 6-O-phosphono-alpha-D-mannopyranose and D-mannopyranose residues joined in sequence by a (1->2) glycosidic bond. It derives from an alpha-D-Manp-(1->2)-D-Manp and an alpha-D-mannose 6-phosphate.
[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-[(3S,4S,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl dihydrogen phosphate