The molecule is an glycosyl alditol consisting of alpha-D-mannopyranose and D-mannitol residues joined in sequence by a (1->1) glycosidic bond. It derives from a D-mannitol and an alpha-D-mannose.
(2R,3R,4R,5R)-6-[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexane-1,2,3,4,5-pentol