alpha-D-GlcpA-(1->2)[[3)-beta-L-Rhap-(1->4)-alpha-L-Rhap-(1->3)-alpha-D-Galp-(1->3)]-beta-L-Rhap-(1->4)-beta-L-Rhap3Me-(1->4)-alpha-L-Rhap-(1->3)-alpha-D-Galp-(1->]n