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