The molecule is a glycosylrhamnose consisting of alpha-D-rhamnose having an alpha-D-rhamnosyl residue attached at the 3-position. It has a role as an epitope.
(2S,3S,4S,5R,6R)-6-methyl-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxane-2,3,5-triol