The molecule is a disaccharide that is D-arabinofuranose in which the hydroxy group at position 2 has been converted into the corresponding D-mannopyranosyl derivative. It is a glycoside and a glycosylarabinose. It derives from a D-mannopyranose and a D-arabinofuranose.
(3S,4S,5S,6R)-2-[(3S,4R,5R)-2,4-dihydroxy-5-(hydroxymethyl)oxolan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol