The molecule is a mannohexaose consisting of three beta-D-mannopyranosyl residues, two alpha-D-mannopyranosyl residues and a D-mannopyransyl residue joined in sequence by (1->2) glycosidic linkages.
(3S,4S,5S,6R)-3-[(2R,3S,4S,5S,6R)-3-[(2R,3S,4S,5S,6R)-3-[(2S,3S,4S,5S,6R)-3-[(2S,3S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,4,5-triol