?-D-GlcpNAc6S-(1->?)-?-D-Galp-(1->?)[?-L-Fucp-(1->?)]-?-D-GlcpNAc6S-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc6S-(1->?)-?-D-Galp(1->