The molecule is a glycosylglucopyranuronic acid consisting of beta-D-xylosyl and beta-D-glucuronic acid residues joined by a (1->3) glycosidic linkage. It is a carbohydrate acid and a glycosylglucopyranuronic acid. It derives from a beta-D-glucuronic acid and a beta-D-xylose.
(2S,3S,4S,5R,6R)-3,5,6-trihydroxy-4-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxane-2-carboxylic acid