The molecule is a trehalose in which both glucose residues have beta-configuration at the anomeric carbon. It is a trehalose and a beta-D-glucoside.
(2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol