The molecule is a disaccharide that is D-xylopyranose in which the hydroxy group at position 3 has been converted into the corresponding beta-D-galactopyranoside. It is a glycoside, a beta-D-galactoside and a glycosylxylose. It derives from a D-xylopyranose.
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(3R,4S,5R)-2,3,5-trihydroxyoxan-4-yl]oxyoxane-3,4,5-triol