The molecule is a galactotriose consisting of two beta-D-galatopyranose residues and a D-galactopyranose residue joined in sequence by (1->6) and (1->4) glycosidic bonds.
(2R,3R,4S,5R,6R)-2-(hydroxymethyl)-6-[[(2R,3R,4S,5R,6S)-3,4,5-trihydroxy-6-[(2R,3R,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol