?-D-GlcpA-(1->?)-?-D-Galp-(1->?)-?-D-GalpNAc-(1->?)-?-D-Galp-(1->?)?-D-GlcpA-(1->?)-?-D-Galp-(1->?)[?-L-Fucp-(1->?)]-?-D-Galp-(1->?)-D-GalNAc(?->