The molecule is a trisaccharide consisting of a D-mannopyranose residue and two D-arabinofuranose residues joined in sequence by (1->5) and (1->2) glycosidic bonds. The stereochemistry of the anomeric centres of the three residues is not stated. It is a partially-defined glycan and a trisaccharide.
(3S,4S,5S,6R)-2-[[(2R,3S,4S)-5-[(3S,4R,5R)-2,4-dihydroxy-5-(hydroxymethyl)oxolan-3-yl]oxy-3,4-dihydroxyoxolan-2-yl]methoxy]-6-(hydroxymethyl)oxane-3,4,5-triol