?-L-Rhap-(1->?)-?-L-Rhap-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?)[?-D-GlcpNAc-(1->?)]-?-D-Glcp-(1->?)-?-D-Galp-(1->?)[?-D-Galp-(1->?)]-D-Glc(?->