The molecule is a glycosylmannose consisting of beta-D-arabinopyranose and D-mannopyranose joined in sequence by a (1->2) glycosidic bond. It derives from a beta-D-arabinopyranose and a D-mannopyranose.
(3S,4S,5S,6R)-6-(hydroxymethyl)-3-[(2S,3S,4R,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxane-2,4,5-triol