The molecule is a glycosylxylose consisting of beta-D-glucopyranuronic acid and beta-D-xylopyranose joined in sequence by a (1->4) glycosidic bond. It is a glucosiduronic acid, a glycosylxylose and a monocarboxylic acid.
(2S,3S,4S,5R,6R)-3,4,5-trihydroxy-6-[(3R,4R,5R,6R)-4,5,6-trihydroxyoxan-3-yl]oxyoxane-2-carboxylic acid