The molecule is a linear tetrasaccharide derivative consisting of an alpha-L-rhamnosyl residue glycosidically linked to a 5-aminopentyl group and which carries at O-3 an alpha-D-glucuronosyl-(1->6)-alpha-D-glucosyl-(1->2)-alpha-L-rhamnosyl trisaccharide unit. It is a tetrasaccharide derivative and a glycoside.
(2S,3S,4S,5R,6S)-6-[[(2R,3S,4S,5R,6R)-6-[(2S,3R,4R,5R,6S)-2-[(2R,3R,4R,5S,6S)-2-(5-aminopentoxy)-3,5-dihydroxy-6-methyloxan-4-yl]oxy-4,5-dihydroxy-6-methyloxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid