The molecule is a tetrasaccharide derivative comprising alpha-D-Galp-(1->3)-alpha-D-Glcp-(1->3)-alpha-L-Rhap-(1->3)-D-ribitol phosphorylated at position 5 of ribitol. It has a role as a hapten. It is an alditol 5-phosphate and a tetrasaccharide derivative. It derives from a ribitol.
[(2R,3S,4S)-3-[(2S,3R,4R,5S,6S)-4-[(2R,3R,4S,5R,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,5-dihydroxy-6-methyloxan-2-yl]oxy-2,4,5-trihydroxypentyl] dihydrogen phosphate