The molecule is a glycosylgalactose consisting of beta-D-galactofuranose and D-galactofuranose residues joined in sequence by a (1->3) glycosidic bond It derives from a D-galactofuranose and a beta-D-galactofuranose.
(2S,3R,4R,5S)-2-[(1R)-1,2-dihydroxyethyl]-5-[(2S,3R,4R)-2-[(1R)-1,2-dihydroxyethyl]-4,5-dihydroxyoxolan-3-yl]oxyoxolane-3,4-diol