alpha-L-Rhap-(1->4)-beta-D-GlcpA-(1->6)[3)-beta-D-Galp-(1->3)[alpha-L-Rhap-(1->4)-beta-D-GlcpA-(1->6)]-beta-D-Galp-(1->3)[alpha-L-Rhap-(1->4)-beta-D-GlcpA-(1->6)]-beta-D-Galp-(1->3)[alpha-?-Araf-(1->6)-beta-D-Galp-(1->6)]-beta-D-Galp-(1->]n