[2)-alpha-D-Galp-(1->3)-alpha-D-Galp-(1->3)-alpha-D-Galp-(1->3)[beta-D-Galp-(1->6)-beta-D-Galp-(1->4)]-alpha-L-Rhap-(1->2)[?-L-Fucp-(1->3)]-alpha-L-Rhap-(1->]n